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102 lines
6.1 KiB
HTML
102 lines
6.1 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 information about 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.ibase-field-info" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ibase_field_info</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ibase_field_info</span> — <span class="dc-title">Get information about a field</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ibase-field-info-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>ibase_field_info</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$field_number</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 with information about a field after a select
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query has been run.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ibase-field-info-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</code></dt>
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<dd>
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<p class="para">
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An InterBase 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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Field offset.
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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.ibase-field-info-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 the following keys: <em>name</em>,
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<em>alias</em>, <em>relation</em>,
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<em>length</em> and <em>type</em>.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ibase-field-info-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-1199">
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<p><strong>Example #1 <span class="function"><strong>ibase_field_info()</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 />$rs </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * FROM tablename"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$coln </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$rs</span><span style="color: #007700">);<br />for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">$coln</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> </span><span style="color: #0000BB">$col_info </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_field_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$rs</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"name: "</span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'name'</span><span style="color: #007700">]. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"alias: "</span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'alias'</span><span style="color: #007700">]. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"relation: "</span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'relation'</span><span style="color: #007700">]. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"length: "</span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'length'</span><span style="color: #007700">]. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"type: "</span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'type'</span><span style="color: #007700">]. </span><span style="color: #DD0000">"\n"</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.ibase-field-info-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="ibase_num_fields.html" class="function" rel="rdfs-seeAlso">ibase_num_fields()</a> - Get the number of fields in a result set</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> |