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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>Retrieves the number of rows in a result set</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-num-rows" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sqlsrv_num_rows</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_num_rows</span> — <span class="dc-title">Retrieves the number of rows in a result set</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sqlsrv-num-rows-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_num_rows</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="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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Retrieves the number of rows in a result set. This function requires that the
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statment resource be created with a static or keyset cursor. For more information,
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see <span class="function"><a href="sqlsrv_query.html" class="function">sqlsrv_query()</a></span>, <span class="function"><a href="sqlsrv_prepare.html" class="function">sqlsrv_prepare()</a></span>,
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or <a href="http://msdn.microsoft.com/en-us/library/ee376927.aspx" class="link external">» Specifying a Cursor Type and Selecting Rows</a>
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in the Microsoft SQLSRV documentation.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sqlsrv-num-rows-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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The statement for which the row count is returned. The statment resource
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must be created with a static or keyset cursor. For more information, see
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<span class="function"><a href="sqlsrv_query.html" class="function">sqlsrv_query()</a></span>, <span class="function"><a href="sqlsrv_prepare.html" class="function">sqlsrv_prepare()</a></span>, or
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<a href="http://msdn.microsoft.com/en-us/library/ee376927.aspx" class="link external">» Specifying a Cursor Type and Selecting Rows</a>
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in the Microsoft SQLSRV documentation.
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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-num-rows-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 rows retrieved on success and <strong><code>FALSE</code></strong> if an error occurred.
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If a forward cursor (the default) or dynamic cursor is used, <strong><code>FALSE</code></strong> is returned.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.sqlsrv-num-rows-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-2586">
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<p><strong>Example #1 <span class="function"><strong>sqlsrv_num_rows()</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 />$server </span><span style="color: #007700">= </span><span style="color: #DD0000">"serverName\sqlexpress"</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">$server</span><span style="color: #007700">, </span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT * FROM Table_1"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$params </span><span style="color: #007700">= array();<br /></span><span style="color: #0000BB">$options </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"Scrollable" </span><span style="color: #007700">=> </span><span style="color: #0000BB">SQLSRV_CURSOR_KEYSET </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$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">, </span><span style="color: #0000BB">$params</span><span style="color: #007700">, </span><span style="color: #0000BB">$options </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$row_count </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_num_rows</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">);<br /> <br />if (</span><span style="color: #0000BB">$row_count </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">)<br /> echo </span><span style="color: #DD0000">"Error in retrieveing row count."</span><span style="color: #007700">;<br />else<br /> echo </span><span style="color: #0000BB">$row_count</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.sqlsrv-num-rows-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_has_rows.html" class="function" rel="rdfs-seeAlso">sqlsrv_has_rows()</a> - Indicates whether the specified statement has rows</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_rows_affected.html" class="function" rel="rdfs-seeAlso">sqlsrv_rows_affected()</a> - Returns the number of rows modified by the last INSERT, UPDATE, or
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DELETE query executed</span></li>
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</ul>
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</p>
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</div>
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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>Retrieves the number of rows in a result set</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-num-rows" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sqlsrv_num_rows</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_num_rows</span> — <span class="dc-title">Retrieves the number of rows in a result set</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sqlsrv-num-rows-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_num_rows</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="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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Retrieves the number of rows in a result set. This function requires that the
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statment resource be created with a static or keyset cursor. For more information,
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see <span class="function"><a href="sqlsrv_query.html" class="function">sqlsrv_query()</a></span>, <span class="function"><a href="sqlsrv_prepare.html" class="function">sqlsrv_prepare()</a></span>,
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or <a href="http://msdn.microsoft.com/en-us/library/ee376927.aspx" class="link external">» Specifying a Cursor Type and Selecting Rows</a>
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in the Microsoft SQLSRV documentation.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sqlsrv-num-rows-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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The statement for which the row count is returned. The statment resource
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must be created with a static or keyset cursor. For more information, see
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<span class="function"><a href="sqlsrv_query.html" class="function">sqlsrv_query()</a></span>, <span class="function"><a href="sqlsrv_prepare.html" class="function">sqlsrv_prepare()</a></span>, or
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<a href="http://msdn.microsoft.com/en-us/library/ee376927.aspx" class="link external">» Specifying a Cursor Type and Selecting Rows</a>
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in the Microsoft SQLSRV documentation.
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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-num-rows-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 rows retrieved on success and <strong><code>FALSE</code></strong> if an error occurred.
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If a forward cursor (the default) or dynamic cursor is used, <strong><code>FALSE</code></strong> is returned.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.sqlsrv-num-rows-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-2586">
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<p><strong>Example #1 <span class="function"><strong>sqlsrv_num_rows()</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 />$server </span><span style="color: #007700">= </span><span style="color: #DD0000">"serverName\sqlexpress"</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">$server</span><span style="color: #007700">, </span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT * FROM Table_1"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$params </span><span style="color: #007700">= array();<br /></span><span style="color: #0000BB">$options </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"Scrollable" </span><span style="color: #007700">=> </span><span style="color: #0000BB">SQLSRV_CURSOR_KEYSET </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$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">, </span><span style="color: #0000BB">$params</span><span style="color: #007700">, </span><span style="color: #0000BB">$options </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$row_count </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_num_rows</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">);<br /> <br />if (</span><span style="color: #0000BB">$row_count </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">)<br /> echo </span><span style="color: #DD0000">"Error in retrieveing row count."</span><span style="color: #007700">;<br />else<br /> echo </span><span style="color: #0000BB">$row_count</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.sqlsrv-num-rows-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_has_rows.html" class="function" rel="rdfs-seeAlso">sqlsrv_has_rows()</a> - Indicates whether the specified statement has rows</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_rows_affected.html" class="function" rel="rdfs-seeAlso">sqlsrv_rows_affected()</a> - Returns the number of rows modified by the last INSERT, UPDATE, or
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DELETE query executed</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>
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