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108 lines
10 KiB
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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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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Gets the number of fields in result</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.mssql-num-fields" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mssql_num_fields</h1>
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<p class="verinfo">(PHP 4, PHP 5, PECL odbtp >= 1.1.1)</p><p class="refpurpose"><span class="refname">mssql_num_fields</span> — <span class="dc-title">Gets the number of fields in result</span></p>
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</div>
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<div id="function.mssql-num-fields-refsynopsisdiv">
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<div class="warning"><strong class="warning">Warning</strong>
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<p class="para">
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This function was <em class="emphasis">REMOVED</em> in PHP 7.0.0.
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</p>
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<p class="para">
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Alternatives to this function include:
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</p>
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="pdostatement.columncount.html" class="function">PDOStatement::columnCount()</a></span></li>
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<li class="member"><span class="function"><a href="sqlsrv_num_fields.html" class="function">sqlsrv_num_fields()</a></span></li>
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<li class="member"><span class="function"><a href="odbc_num_fields.html" class="function">odbc_num_fields()</a></span></li>
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</ul>
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</div>
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</div>
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<div class="refsect1 description" id="refsect1-function.mssql-num-fields-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>mssql_num_fields</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">int</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>mssql_num_fields()</strong></span> returns the number of
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fields in a result set.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mssql-num-fields-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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The result resource that is being evaluated. This result comes from a
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call to <span class="function"><a href="mssql_query.html" class="function">mssql_query()</a></span>.
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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.mssql-num-fields-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 number of fields, as an integer.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.mssql-num-fields-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-1769">
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<p><strong>Example #1 <span class="function"><strong>mssql_num_fields()</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 /></span><span style="color: #FF8000">// Connect to MSSQL and select the database<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'KALLESPC\SQLEXPRESS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'sa'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phpfi'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Select some data from our database<br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT [name], [age] FROM [php].[dbo].[persons]'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Construct a table<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'<table border="1">'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$header </span><span style="color: #007700">= </span><span style="color: #0000BB">false</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Iterate through returned results<br /></span><span style="color: #007700">while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">)) {<br /> </span><span style="color: #FF8000">// Build the table header<br /> </span><span style="color: #007700">if (!</span><span style="color: #0000BB">$header</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'<thead>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'<tr>'</span><span style="color: #007700">;<br /><br /> for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">; (</span><span style="color: #0000BB">$i </span><span style="color: #007700">+ </span><span style="color: #0000BB">1</span><span style="color: #007700">) <= </span><span style="color: #0000BB">mssql_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">); ++</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'<td>' </span><span style="color: #007700">. </span><span style="color: #0000BB">ucfirst</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]) . </span><span style="color: #DD0000">'</td>'</span><span style="color: #007700">;<br /> }<br /><br /> echo </span><span style="color: #DD0000">'</tr>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'</thead>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'<tbody>'</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$header </span><span style="color: #007700">= </span><span style="color: #0000BB">true</span><span style="color: #007700">;<br /> }<br /><br /> </span><span style="color: #FF8000">// Build the row<br /> </span><span style="color: #007700">echo </span><span style="color: #DD0000">'<tr>'</span><span style="color: #007700">;<br /><br /> foreach(</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'<td>' </span><span style="color: #007700">. </span><span style="color: #0000BB">$value </span><span style="color: #007700">. </span><span style="color: #DD0000">'</td>'</span><span style="color: #007700">;<br /> }<br /><br /> echo </span><span style="color: #DD0000">'</tr>'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Close table<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'</tbody>'</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">'</table>'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Clean up<br /></span><span style="color: #0000BB">mssql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</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.mssql-num-fields-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="mssql_query.html" class="function" rel="rdfs-seeAlso">mssql_query()</a> - Send MS SQL query</span></li>
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<li class="member"><span class="function"><a href="mssql_fetch_field.html" class="function" rel="rdfs-seeAlso">mssql_fetch_field()</a> - Get field information</span></li>
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<li class="member"><span class="function"><a href="mssql_num_rows.html" class="function" rel="rdfs-seeAlso">mssql_num_rows()</a> - Gets the number of rows in result</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> |