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39 lines
2.0 KiB
HTML
39 lines
2.0 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>取得结果集中每个输出的长度</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.mysql-fetch-lengths" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mysql_fetch_lengths</h1>
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<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_fetch_lengths</span> — <span class="dc-title">
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取得结果集中每个输出的长度
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</span></p>
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</div>
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<div class="refsect1 unknown-seealsp" id="refsect1-function.mysql-fetch-lengths-unknown-seealsp">
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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>mysql_fetch_lengths</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="type">array</span></div>
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<p class="para rdfs-comment">
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以数组返回上一次用
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<span class="function"><a href="mysql_fetch_row.html" class="function">mysql_fetch_row()</a></span>
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取得的行中每个字段的长度，如果出错返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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<span class="function"><strong>mysql_fetch_lengths()</strong></span> 将上一次
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<span class="function"><a href="mysql_fetch_row.html" class="function">mysql_fetch_row()</a></span>，<span class="function"><a href="mysql_fetch_array.html" class="function">mysql_fetch_array()</a></span>
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和 <span class="function"><a href="mysql_fetch_object.html" class="function">mysql_fetch_object()</a></span>
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所返回的每个列的长度储存到一个数组中，偏移量从 0 开始。
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</p>
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<p class="para">
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参见 <span class="function"><a href="mysql_fetch_row.html" class="function">mysql_fetch_row()</a></span>。
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</p>
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</div>
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</div></div></div></body></html> |