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69 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Returns the next row from a query as an associative or numeric array</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.oci-fetch-array" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">oci_fetch_array</h1>
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<p class="verinfo">(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)</p><p class="refpurpose"><span class="refname">oci_fetch_array</span> — <span class="dc-title">Returns the next row from a query as an associative or numeric array
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.oci-fetch-array-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>oci_fetch_array</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$statement</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Returns an array containing the next result-set row of a query.
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Each array entry corresponds to a column of the row. This function
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is typically called in a loop until it returns <strong><code>FALSE</code></strong>, indicating
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no more rows exist.
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</p>
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<p class="para">
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If <code class="parameter">statement</code> corresponds to a PL/SQL block
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returning Oracle Database 12c Implicit Result Sets, then rows from
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all sets are consecutively fetched. If
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<code class="parameter">statement</code> is returned
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by <span class="function"><a href="oci_get_implicit_resultset.html" class="function">oci_get_implicit_resultset()</a></span>, then only the
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subset of rows for one child query are returned.
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</p>
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<p class="para">要获取 OCI8
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扩展进行数据类型映射的细节，请参见<a href="oci8.datatypes.html" class="link">驱动所支持的数据类型</a>。</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.oci-fetch-array-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">statement</code></dt>
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<dd>
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<p class="para">有效的 OCI8 报表标识符
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由 <span class="function"><a href="oci_parse.html" class="function">oci_parse()</a></span> 创建，被 <span class="function"><a href="oci_execute.html" class="function">oci_execute()</a></span>
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或 <em>REF CURSOR</em> statement 标识执行。</p>
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<p class="para">
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Can also be a statement identifier returned by <span class="function"><a href="oci_get_implicit_resultset.html" class="function">oci_get_implicit_resultset()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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An optional second parameter can be any combination of the following
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constants:
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<table class="doctable table">
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<caption><strong><span class="function"><strong>oci_fetch_array()</strong></span> Modes</strong></caption>
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<thead>
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<tr>
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<th>Constant</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td><strong><code>OCI_BOTH</code></strong></td>
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<td>Returns an array with both associative and numeric
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indices. This is the same
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as <strong><code>OCI_ASSOC</code></strong>
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+ <strong><code>OCI_NUM</code></strong> and is the default
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behavior.</td>
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</tr>
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<tr>
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<td><strong><code>OCI_ASSOC</code></strong></td>
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<td>Returns an associative array.</td>
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</tr>
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<tr>
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<td><strong><code>OCI_NUM</code></strong></td>
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<td>Returns a numeric array.</td>
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</tr>
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<tr>
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<td><strong><code>OCI_RETURN_NULLS</code></strong></td>
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<td>Creates elements for <strong><code>NULL</code></strong> fields. The element
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values will be a PHP <strong><code>NULL</code></strong>.
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</td>
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</tr>
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<tr>
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<td><strong><code>OCI_RETURN_LOBS</code></strong></td>
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<td>Returns the contents of LOBs instead of the LOB
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descriptors.</td>
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</tr>
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</tbody>
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</table>
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</p>
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<p class="para">
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The default <code class="parameter">mode</code> is <strong><code>OCI_BOTH</code></strong>.
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</p>
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<p class="para">
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Use the addition operator "+" to specify more than
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one mode at a time.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.oci-fetch-array-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an array with associative and/or numeric indices. If there
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are no more rows in the <code class="parameter">statement</code> then
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<strong><code>FALSE</code></strong> is returned.
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</p>
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<p class="para">
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By default, <em>LOB</em> columns are returned as LOB descriptors.
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</p>
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<p class="para">
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<em>DATE</em> columns are returned as strings formatted
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to the current date format. The default format can be changed with
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Oracle environment variables such as <em>NLS_LANG</em> or
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by a previously executed <em>ALTER SESSION SET
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NLS_DATE_FORMAT</em> command.
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</p>
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<p class="para">
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Oracle's default, non-case sensitive column names will have
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uppercase associative indices in the result array. Case-sensitive
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column names will have array indices using the exact column case.
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Use <span class="function"><a href="var_dump.html" class="function">var_dump()</a></span> on the result array to verify the
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appropriate case to use for each query.
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</p>
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<p class="para">
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The table name is not included in the array index. If your query
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contains two different columns with the same name,
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use <strong><code>OCI_NUM</code></strong> or add a column alias to the query
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to ensure name uniqueness, see example #7. Otherwise only one
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column will be returned via PHP.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.oci-fetch-array-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2418">
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<p><strong>Example #1 <span class="function"><strong>oci_fetch_array()</strong></span> with <strong><code>OCI_BOTH</code></strong></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT department_id, department_name FROM departments'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_BOTH</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// Use the uppercase column names for the associative array indices<br /> </span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">] . </span><span style="color: #DD0000">" and " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'DEPARTMENT_ID'</span><span style="color: #007700">] . </span><span style="color: #DD0000">" are the same<br>\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">] . </span><span style="color: #DD0000">" and " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'DEPARTMENT_NAME'</span><span style="color: #007700">] . </span><span style="color: #DD0000">" are the same<br>\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2419">
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<p><strong>Example #2 <span class="function"><strong>oci_fetch_array()</strong></span> with <strong><code>OCI_NUM</code></strong></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the table:<br /> CREATE TABLE mytab (id NUMBER, description CLOB);<br /> INSERT INTO mytab (id, description) values (1, 'A very long string');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT id, description FROM mytab'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_NUM</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]-></span><span style="color: #0000BB">read</span><span style="color: #007700">(</span><span style="color: #0000BB">11</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// this will output first 11 bytes from DESCRIPTION<br /></span><span style="color: #007700">}<br /><br /></span><span style="color: #FF8000">// Output is:<br />// 1<br />// A very long<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2420">
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<p><strong>Example #3 <span class="function"><strong>oci_fetch_array()</strong></span> with <strong><code>OCI_ASSOC</code></strong></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the table:<br /> CREATE TABLE mytab (id NUMBER, description CLOB);<br /> INSERT INTO mytab (id, description) values (1, 'A very long string');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT id, description FROM mytab'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'ID'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'DESCRIPTION'</span><span style="color: #007700">]-></span><span style="color: #0000BB">read</span><span style="color: #007700">(</span><span style="color: #0000BB">11</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// this will output first 11 bytes from DESCRIPTION<br /></span><span style="color: #007700">}<br /><br /></span><span style="color: #FF8000">// Output is:<br />// 1<br />// A very long<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2421">
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<p><strong>Example #4 <span class="function"><strong>oci_fetch_array()</strong></span> with <strong><code>OCI_RETURN_NULLS</code></strong></strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT 1, null FROM dual'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array </span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) { </span><span style="color: #FF8000">// Ignore NULLs<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/*<br />The above code prints:<br /> array(1) {<br /> [1]=><br /> string(1) "1"<br /> }<br />*/<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT 1, null FROM dual'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array </span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) { </span><span style="color: #FF8000">// Fetch NULLs<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/*<br />The above code prints:<br /> array(2) {<br /> [1]=><br /> string(1) "1"<br /> ["NULL"]=><br /> NULL<br /> }<br />*/<br /><br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
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</div>
|
|
</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2422">
|
|
<p><strong>Example #5 <span class="function"><strong>oci_fetch_array()</strong></span> with <strong><code>OCI_RETURN_LOBS</code></strong></strong></p>
|
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<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the table:<br /> CREATE TABLE mytab (id NUMBER, description CLOB);<br /> INSERT INTO mytab (id, description) values (1, 'A very long string');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT id, description FROM mytab'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_LOBS</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'ID'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'DESCRIPTION'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// this contains all of DESCRIPTION<br /> // In a loop, freeing the large variable before the 2nd fetch reduces PHP's peak memory usage<br /> </span><span style="color: #007700">unset(</span><span style="color: #0000BB">$row</span><span style="color: #007700">); <br />}<br /><br /></span><span style="color: #FF8000">// Output is:<br />// 1<br />// A very long string<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
</div>
|
|
</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2423">
|
|
<p><strong>Example #6 <span class="function"><strong>oci_fetch_array()</strong></span> with case sensitive column names</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the table:<br /> CREATE TABLE mytab ("Name" VARCHAR2(20), city VARCHAR2(20));<br /> INSERT INTO mytab ("Name", city) values ('Chris', 'Melbourne');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'select * from mytab'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Because 'Name' was created as a case-sensitive column, that same<br />// case is used for the array index. However uppercase 'CITY' must<br />// be used for the case-insensitive column index<br /></span><span style="color: #007700">print </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'Name'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// prints Chris<br /></span><span style="color: #007700">print </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// prints Melbourne<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
</div>
|
|
</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2424">
|
|
<p><strong>Example #7 <span class="function"><strong>oci_fetch_array()</strong></span> with columns having duplicate names</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the tables:<br /> CREATE TABLE mycity (id NUMBER, name VARCHAR2(20));<br /> INSERT INTO mycity (id, name) values (1, 'Melbourne');<br /> CREATE TABLE mycountry (id NUMBER, name VARCHAR2(20));<br /> INSERT INTO mycountry (id, name) values (1, 'Australia');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT mycity.name, mycountry.name<br /> FROM mycity, mycountry<br /> WHERE mycity.id = mycountry.id'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output only contains one "NAME" entry:<br />// array(1) {<br />// ["NAME"]=><br />// string(9) "Australia"<br />// }<br /><br />// To query a repeated column name, use an SQL column alias like "AS ctnm":<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT mycity.name AS ctnm, mycountry.name <br /> FROM mycity, mycountry <br /> WHERE mycity.id = mycountry.id'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output now contains both columns selected:<br />// array(2) {<br />// ["CTNM"]=><br />// string(9) "Melbourne"<br />// ["NAME"]=><br />// string(9) "Australia"<br />// }<br /><br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
</div>
|
|
</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2425">
|
|
<p><strong>Example #8 <span class="function"><strong>oci_fetch_array()</strong></span> with <em>DATE</em> columns</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Set the date format for this connection.<br />// For performance reasons, consider changing the format<br />// in a trigger or with environment variables instead<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD'"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT hire_date FROM employees WHERE employee_id = 188'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'HIRE_DATE'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// prints 1997-06-14<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
</div>
|
|
</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2426">
|
|
<p><strong>Example #9 <span class="function"><strong>oci_fetch_array()</strong></span> with <em>REF CURSOR</em></strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/*<br /> Create the PL/SQL stored procedure as:<br /><br /> CREATE OR REPLACE PROCEDURE myproc(p1 OUT SYS_REFCURSOR) AS<br /> BEGIN<br /> OPEN p1 FOR SELECT * FROM all_objects WHERE ROWNUM < 5000;<br /> END;<br />*/<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'BEGIN myproc(:rc); END;'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$refcur </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_new_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':rc'</span><span style="color: #007700">, </span><span style="color: #0000BB">$refcur</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_B_CURSOR</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Execute the returned REF CURSOR and fetch from it like a statement identifier<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$refcur</span><span style="color: #007700">); <br />echo </span><span style="color: #DD0000">"<table border='1'>\n"</span><span style="color: #007700">;<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$refcur</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"<tr>\n"</span><span style="color: #007700">;<br /> foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">" <td>"</span><span style="color: #007700">.(</span><span style="color: #0000BB">$item </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">? </span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">) : </span><span style="color: #DD0000">"&nbsp;"</span><span style="color: #007700">).</span><span style="color: #DD0000">"</td>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$refcur</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2427">
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<p><strong>Example #10 Pagination with <span class="function"><strong>oci_fetch_array()</strong></span> using a <em>LIMIT</em>-like query</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Find the version of the database<br /></span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #DD0000">'/Release ([0-9]+)\./'</span><span style="color: #007700">, </span><span style="color: #0000BB">oci_server_version</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">), </span><span style="color: #0000BB">$matches</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oracleversion </span><span style="color: #007700">= </span><span style="color: #0000BB">$matches</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">];<br /><br /></span><span style="color: #FF8000">// This is the query you want to "page" through<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">'SELECT city, postal_code FROM locations ORDER BY city'</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">$oracleversion </span><span style="color: #007700">>= </span><span style="color: #0000BB">12</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// Make use of Oracle 12c OFFSET / FETCH NEXT syntax<br /> </span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #0000BB">$sql </span><span style="color: #007700">. </span><span style="color: #DD0000">' OFFSET :offset ROWS FETCH NEXT :numrows ROWS ONLY'</span><span style="color: #007700">;<br />} else {<br /> </span><span style="color: #FF8000">// Older Oracle versions need a nested query selecting a subset<br /> // from $sql. Or, if the SQL statement is known at development<br /> // time, consider using a row_number() function instead of this<br /> // nested solution. In production environments, be careful to<br /> // avoid SQL Injection issues with concatenation.<br /> </span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT * FROM (SELECT a.*, ROWNUM AS my_rnum<br /> FROM (</span><span style="color: #0000BB">$sql</span><span style="color: #DD0000">) a<br /> WHERE ROWNUM <= :offset + :numrows)<br /> WHERE my_rnum > :offset"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$offset </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #FF8000">// skip this many rows<br /></span><span style="color: #0000BB">$numrows </span><span style="color: #007700">= </span><span style="color: #0000BB">5</span><span style="color: #007700">; </span><span style="color: #FF8000">// return 5 rows<br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':numrows'</span><span style="color: #007700">, </span><span style="color: #0000BB">$numrows</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #DD0000">':offset'</span><span style="color: #007700">, </span><span style="color: #0000BB">$offset</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC </span><span style="color: #007700">+ </span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">] . </span><span style="color: #DD0000">" " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'POSTAL_CODE'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Output is:<br />// Beijing 190518<br />// Bern 3095<br />// Bombay 490231<br />// Geneva 1730<br />// Hiroshima 6823<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
|
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</div>
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</div>
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</p>
|
|
<p class="para">
|
|
<div class="example" id="example-2428">
|
|
<p><strong>Example #11 <span class="function"><strong>oci_fetch_array()</strong></span> with Oracle Database 12<em class="emphasis">c</em> Implicit Result Sets</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/pdborcl'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Requires OCI8 2.0 and Oracle Database 12c<br />// Also see oci_get_implicit_resultset()<br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">'DECLARE<br /> c1 SYS_REFCURSOR;<br /> BEGIN<br /> OPEN c1 FOR SELECT city, postal_code FROM locations WHERE ROWNUM < 4 ORDER BY city;<br /> DBMS_SQL.RETURN_RESULT(c1);<br /> OPEN c1 FOR SELECT country_id FROM locations WHERE ROWNUM < 4 ORDER BY city;<br /> DBMS_SQL.RETURN_RESULT(c1);<br /> END;'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Note: oci_fetch_all and oci_fetch() cannot be used in this manner<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"<table>\n"</span><span style="color: #007700">;<br />while ((</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"<tr>\n"</span><span style="color: #007700">;<br /> foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">" <td>"</span><span style="color: #007700">.(</span><span style="color: #0000BB">$item</span><span style="color: #007700">!==</span><span style="color: #0000BB">null</span><span style="color: #007700">?</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">|</span><span style="color: #0000BB">ENT_SUBSTITUTE</span><span style="color: #007700">):</span><span style="color: #DD0000">"&nbsp;"</span><span style="color: #007700">).</span><span style="color: #DD0000">"</td>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Output is:<br />// Beijing 190518<br />// Bern 3095<br />// Bombay 490231<br />// CN<br />// CH<br />// IN<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.oci-fetch-array-notes">
|
|
<h3 class="title">注释</h3>
|
|
<blockquote class="note"><p><strong class="note">Note</strong>:
|
|
<p class="para">
|
|
Associative array indices need to be in uppercase for standard
|
|
Oracle columns that were created with case insensitive names.
|
|
</p>
|
|
</p></blockquote>
|
|
<blockquote class="note"><p><strong class="note">Note</strong>:
|
|
<p class="para">
|
|
查询返回巨大数量的数据行时，通过增大
|
|
<a href="oci8.configuration.html#ini.oci8.default-prefetch" class="link">oci8.default_prefetch</a>
|
|
值或使用 <span class="function"><a href="oci_set_prefetch.html" class="function">oci_set_prefetch()</a></span> 可显著提高性能。</p>
|
|
</p></blockquote>
|
|
<blockquote class="note"><p><strong class="note">Note</strong>:
|
|
<p class="para">
|
|
The function <span class="function"><strong>oci_fetch_array()</strong></span>
|
|
is <em class="emphasis">insignificantly</em> slower than
|
|
<span class="function"><a href="oci_fetch_assoc.html" class="function">oci_fetch_assoc()</a></span>
|
|
or <span class="function"><a href="oci_fetch_row.html" class="function">oci_fetch_row()</a></span>, but is more flexible.
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</p>
|
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</p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.oci-fetch-array-seealso">
|
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="oci_fetch.html" class="function" rel="rdfs-seeAlso">oci_fetch()</a> - Fetches the next row into result-buffer</span></li>
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<li class="member"><span class="function"><a href="oci_fetch_all.html" class="function" rel="rdfs-seeAlso">oci_fetch_all()</a> - 获取结果数据的所有行到一个数组</span></li>
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<li class="member"><span class="function"><a href="oci_fetch_assoc.html" class="function" rel="rdfs-seeAlso">oci_fetch_assoc()</a> - Returns the next row from a query as an associative array</span></li>
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<li class="member"><span class="function"><a href="oci_fetch_object.html" class="function" rel="rdfs-seeAlso">oci_fetch_object()</a> - Returns the next row from a query as an object</span></li>
|
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<li class="member"><span class="function"><a href="oci_fetch_row.html" class="function" rel="rdfs-seeAlso">oci_fetch_row()</a> - Returns the next row from a query as a numeric array</span></li>
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<li class="member"><span class="function"><a href="oci_set_prefetch.html" class="function" rel="rdfs-seeAlso">oci_set_prefetch()</a> - 设置预提取行数</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |