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173 lines
14 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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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Returns a row as an array</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.sqlsrv-fetch-array" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sqlsrv_fetch_array</h1>
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<p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">sqlsrv_fetch_array</span> — <span class="dc-title">Returns a row as an array</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sqlsrv-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>sqlsrv_fetch_array</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stmt</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$fetchType</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$row</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</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 the next available row of data as an associative array, a numeric
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array, or both (the default).
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sqlsrv-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">stmt</code></dt>
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<dd>
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<p class="para">
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A statement resource returned by sqlsrv_query or sqlsrv_prepare.
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</p>
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</dd>
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<dt>
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<code class="parameter">fetchType</code></dt>
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<dd>
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<p class="para">
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A predefined constant specifying the type of array to return. Possible
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values are <strong><code>SQLSRV_FETCH_ASSOC</code></strong>,
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<strong><code>SQLSRV_FETCH_NUMERIC</code></strong>, and
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<strong><code>SQLSRV_FETCH_BOTH</code></strong> (the default).
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</p>
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<p class="para">
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A fetch type of SQLSRV_FETCH_ASSOC should not be used when consuming a
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result set with multiple columns of the same name.
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</p>
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</dd>
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<dt>
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<code class="parameter">row</code></dt>
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<dd>
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<p class="para">
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Specifies the row to access in a result set that uses a scrollable cursor.
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Possible values are <strong><code>SQLSRV_SCROLL_NEXT</code></strong>,
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<strong><code>SQLSRV_SCROLL_PRIOR</code></strong>, <strong><code>SQLSRV_SCROLL_FIRST</code></strong>,
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<strong><code>SQLSRV_SCROLL_LAST</code></strong>, <strong><code>SQLSRV_SCROLL_ABSOLUTE</code></strong> and,
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<strong><code>SQLSRV_SCROLL_RELATIVE</code></strong> (the default). When this parameter
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is specified, the <code class="parameter">fetchType</code> must be explicitly defined.
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</p>
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</dd>
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<dt>
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<code class="parameter">offset</code></dt>
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<dd>
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<p class="para">
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Specifies the row to be accessed if the row parameter is set to
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<strong><code>SQLSRV_SCROLL_ABSOLUTE</code></strong> or
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<strong><code>SQLSRV_SCROLL_RELATIVE</code></strong>. Note that the first row in
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a result set has index 0.
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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.sqlsrv-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 on success, <strong><code>NULL</code></strong> if there are no more rows to return, and
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<strong><code>FALSE</code></strong> if an error occurs.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.sqlsrv-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-2576">
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<p><strong>Example #1 Retrieving an associative array.</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 />$serverName </span><span style="color: #007700">= </span><span style="color: #DD0000">"serverName\instanceName"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"Database"</span><span style="color: #007700">=></span><span style="color: #DD0000">"dbName"</span><span style="color: #007700">, </span><span style="color: #DD0000">"UID"</span><span style="color: #007700">=></span><span style="color: #DD0000">"username"</span><span style="color: #007700">, </span><span style="color: #DD0000">"PWD"</span><span style="color: #007700">=></span><span style="color: #DD0000">"password"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_connect</span><span style="color: #007700">( </span><span style="color: #0000BB">$serverName</span><span style="color: #007700">, </span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$conn </span><span style="color: #007700">=== </span><span style="color: #0000BB">false </span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT FirstName, LastName FROM SomeTable"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_query</span><span style="color: #007700">( </span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql </span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">) );<br />}<br /><br />while( </span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_fetch_array</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">SQLSRV_FETCH_ASSOC</span><span style="color: #007700">) ) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'LastName'</span><span style="color: #007700">].</span><span style="color: #DD0000">", "</span><span style="color: #007700">.</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">'FirstName'</span><span style="color: #007700">].</span><span style="color: #DD0000">"<br />"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">sqlsrv_free_stmt</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt</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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<p class="para">
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<div class="example" id="example-2577">
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<p><strong>Example #2 Retrieving a numeric array.</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 />$serverName </span><span style="color: #007700">= </span><span style="color: #DD0000">"serverName\instanceName"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"Database"</span><span style="color: #007700">=></span><span style="color: #DD0000">"dbName"</span><span style="color: #007700">, </span><span style="color: #DD0000">"UID"</span><span style="color: #007700">=></span><span style="color: #DD0000">"username"</span><span style="color: #007700">, </span><span style="color: #DD0000">"PWD"</span><span style="color: #007700">=></span><span style="color: #DD0000">"password"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_connect</span><span style="color: #007700">( </span><span style="color: #0000BB">$serverName</span><span style="color: #007700">, </span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$conn </span><span style="color: #007700">=== </span><span style="color: #0000BB">false </span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT FirstName, LastName FROM SomeTable"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_query</span><span style="color: #007700">( </span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql </span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">) );<br />}<br /><br />while( </span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_fetch_array</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">SQLSRV_FETCH_NUMERIC</span><span style="color: #007700">) ) {<br /> echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">].</span><span style="color: #DD0000">", "</span><span style="color: #007700">.</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">].</span><span style="color: #DD0000">"<br />"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">sqlsrv_free_stmt</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt</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 notes" id="refsect1-function.sqlsrv-fetch-array-notes">
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<h3 class="title">注释</h3>
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<p class="para">
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Not specifying the <code class="parameter">fetchType</code> or explicity using the
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<strong><code>SQLSRV_FETCH_TYPE</code></strong> constant in the examples above will
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return an array that has both associative and numeric keys.
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</p>
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<p class="para">
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If more than one column is returned with the same name, the last column will
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take precedence. To avoid field name collisions, use aliases.
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</p>
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<p class="para">
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If a column with no name is returned, the associative key for the array element
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will be an empty string ("").
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.sqlsrv-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="sqlsrv_connect.html" class="function" rel="rdfs-seeAlso">sqlsrv_connect()</a> - Opens a connection to a Microsoft SQL Server database</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_query.html" class="function" rel="rdfs-seeAlso">sqlsrv_query()</a> - Prepares and executes a query</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_errors.html" class="function" rel="rdfs-seeAlso">sqlsrv_errors()</a> - Returns error and warning information about the last SQLSRV operation performed</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_fetch.html" class="function" rel="rdfs-seeAlso">sqlsrv_fetch()</a> - Makes the next row in a result set available for reading</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> |