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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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<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 object</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-object" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">oci_fetch_object</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_object</span> — <span class="dc-title">Returns the next row from a query as an object</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.oci-fetch-object-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_object</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="type">object</span></div>
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<p class="para rdfs-comment">
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Returns an object containing the next result-set row of a query.
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Each attribute of the object corresponds to a column of the row.
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This function is typically called in a loop until it returns
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<strong><code>FALSE</code></strong>, indicating no more rows exist.
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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-object-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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</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-object-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 object. Each attribute of the object corresponds to a
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column of the row. If there are no more rows in
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the <code class="parameter">statement</code> then <strong><code>FALSE</code></strong> is returned.
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</p>
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<p class="para">
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Any <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 attribute names. Case-sensitive column names will have
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attribute names 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 object to verify
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the appropriate case for attribute access.
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</p>
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<p class="para">
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Attribute values will be <strong><code>NULL</code></strong> for any <em>NULL</em>
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data fields.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.oci-fetch-object-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-2430">
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<p><strong>Example #1 <span class="function"><strong>oci_fetch_object()</strong></span> example</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 VARCHAR2(30));<br /> INSERT INTO mytab (id, description) values (1, 'Fish and Chips');<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">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// Use upper case attribute names for each standard Oracle column<br /> </span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">ID </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">DESCRIPTION </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 />// 1<br />// Fish and Chips<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-2431">
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<p><strong>Example #2 <span class="function"><strong>oci_fetch_object()</strong></span> with case sensitive column names</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 with a case sensitive column name:<br /> CREATE TABLE mytab (id NUMBER, "MyDescription" VARCHAR2(30));<br /> INSERT INTO mytab (id, "MyDescription") values (1, 'Iced Coffee');<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, "MyDescription" 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_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// Use upper case attribute names for each standard Oracle column<br /> </span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">ID </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> </span><span style="color: #FF8000">// Use the exact case for the case sensitive column name<br /> </span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">MyDescription </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">; <br />}<br /><br /></span><span style="color: #FF8000">// Output is:<br />// 1<br />// Iced Coffee<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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<div class="example" id="example-2432">
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<p><strong>Example #3 <span class="function"><strong>oci_fetch_object()</strong></span> with LOBs</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/*<br /> Before running, create the table:<br /> CREATE TABLE mytab (id NUMBER, description CLOB);<br /> INSERT INTO mytab (id, description) values (1, 'A very long string');<br /> COMMIT;<br />*/<br /><br /></span><span style="color: #0000BB">$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">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">)) != </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">ID </span><span style="color: #007700">. </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> </span><span style="color: #FF8000">// The following will output the first 11 bytes from DESCRIPTION<br /> </span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">-></span><span style="color: #0000BB">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">; <br />}<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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</div>
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<div class="refsect1 seealso" id="refsect1-function.oci-fetch-object-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_array.html" class="function" rel="rdfs-seeAlso">oci_fetch_array()</a> - Returns the next row from a query as an associative or numeric array</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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</ul>
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</p>
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</div>
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</div></div></div></body></html> |