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125 lines
7.8 KiB
HTML
<!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>Fetch a result row as an associative array, a numeric array, or both</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.fbsql-fetch-array" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fbsql_fetch_array</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_fetch_array</span> — <span class="dc-title">Fetch a result row as an associative array, a numeric array, or both</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fbsql-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>fbsql_fetch_array</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$result_type</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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<span class="function"><strong>fbsql_fetch_array()</strong></span> is a combination of
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<span class="function"><a href="fbsql_fetch_row.html" class="function">fbsql_fetch_row()</a></span> and
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<span class="function"><a href="fbsql_fetch_assoc.html" class="function">fbsql_fetch_assoc()</a></span>.
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</p>
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<p class="para">
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An important thing to note is that using
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<span class="function"><strong>fbsql_fetch_array()</strong></span> is NOT significantly
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slower than using <span class="function"><a href="fbsql_fetch_row.html" class="function">fbsql_fetch_row()</a></span>, while it
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provides a significant added value.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fbsql-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">
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result</code></dt>
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<dd>
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<p class="para">由 <span class="function"><a href="fbsql_query.html" class="function">fbsql_query()</a></span>
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或 <span class="function"><a href="fbsql_db_query.html" class="function">fbsql_db_query()</a></span> 返回的结果标识符。</p></dd>
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<dt>
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<code class="parameter">result_type</code></dt>
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<dd>
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<p class="para">
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A constant and can take the following values:
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<strong><code>FBSQL_ASSOC</code></strong>, <strong><code>FBSQL_NUM</code></strong>, or
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<strong><code>FBSQL_BOTH</code></strong>.
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</p>
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<p class="para">
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When using <strong><code>FBSQL_BOTH</code></strong>, in addition to storing the
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data in the numeric indices of the result array, it also stores the
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data in associative indices, using the field names as keys.
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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.fbsql-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 that corresponds to the fetched row, or <strong><code>FALSE</code></strong>
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if there are no more rows.
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</p>
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<p class="para">
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If two or more columns of the result have the same field names,
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the last column will take precedence. To access the other column(s)
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of the same name, you must the numeric index of the column or
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make an alias for the column.
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<div class="informalexample">
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<div class="example-contents">
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<div class="sqlcode"><pre class="sqlcode">select t1.f1 as foo t2.f1 as bar from t1, t2</pre>
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</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 examples" id="refsect1-function.fbsql-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-1213">
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<p><strong>Example #1 <span class="function"><strong>fbsql_fetch_array()</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 />fbsql_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$host</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_db_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"database"</span><span style="color: #007700">, </span><span style="color: #DD0000">"select user_id, fullname from table"</span><span style="color: #007700">);<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">fbsql_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"user_id: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"user_id"</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"user_id: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$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: #DD0000">"fullname: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"fullname"</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"fullname: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">] . </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">fbsql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<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.fbsql-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="fbsql_fetch_row.html" class="function" rel="rdfs-seeAlso">fbsql_fetch_row()</a> - Get a result row as an enumerated array</span></li>
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<li class="member"><span class="function"><a href="fbsql_fetch_assoc.html" class="function" rel="rdfs-seeAlso">fbsql_fetch_assoc()</a> - Fetch a result row as an associative array</span></li>
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<li class="member"><span class="function"><a href="fbsql_fetch_object.html" class="function" rel="rdfs-seeAlso">fbsql_fetch_object()</a> - Fetch a result row as an object</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> |