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79 lines
2.5 KiB
HTML
79 lines
2.5 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>Get the length (precision) of a field</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.odbc-field-len" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">odbc_field_len</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">odbc_field_len</span> — <span class="dc-title">Get the length (precision) of a field</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.odbc-field-len-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>odbc_field_len</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result_id</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$field_number</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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Gets the length of the field referenced by number in the given result
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identifier.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.odbc-field-len-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">result_id</code></dt>
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<dd>
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<p class="para">
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The result identifier.
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</p>
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</dd>
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<dt>
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<code class="parameter">field_number</code></dt>
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<dd>
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<p class="para">
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The field number. Field numbering starts at 1.
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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.odbc-field-len-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the field length, or <strong><code>FALSE</code></strong> on error.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.odbc-field-len-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="odbc_field_scale.html" class="function" rel="rdfs-seeAlso">odbc_field_scale()</a> - Get the scale of a field</span> to get the scale of a
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floating point number</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> |