pdo.lastinsertid.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns the ID of the last inserted row or sequence value</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pdo.getavailabledrivers.html">PDO::getAvailableDrivers</a></div> <div class="next" style="text-align: right; float: right;"><a href="pdo.prepare.html">PDO::prepare</a></div> <div class="up"><a href="class.pdo.html">PDO</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="pdo.lastinsertid" class="refentry"> <div class="refnamediv"> <h1 class="refname">PDO::lastInsertId</h1> <p class="verinfo">(PHP 5 >= 5.1.0, PECL pdo:0.1-1.0.3)</p><p class="refpurpose"><span class="refname">PDO::lastInsertId</span> — <span class="dc-title"> Returns the ID of the last inserted row or sequence value </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>PDO::lastInsertId</b></b></span> ([ <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span> ] )</div> <p class="para rdfs-comment"> Returns the ID of the last inserted row, or the last value from a sequence object, depending on the underlying driver. For example, <b>PDO_PGSQL()</b> requires you to specify the name of a sequence object for the <i><tt class="parameter">name</tt></i> parameter. </p> <blockquote><p><b class="note">Note</b>: This method may not return a meaningful or consistent result across different PDO drivers, because the underlying database may not even support the notion of auto-increment fields or sequences. <br /> </p></blockquote> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">name</tt></i></span> <dd> <p class="para"> Name of the sequence object from which the ID should be returned. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> If a sequence name was not specified for the <i><tt class="parameter">name</tt></i> parameter, <b>PDO::lastInsertId()</b> returns a string representing the row ID of the last row that was inserted into the database. </p> <p class="para"> If a sequence name was specified for the <i><tt class="parameter">name</tt></i> parameter, <b>PDO::lastInsertId()</b> returns a string representing the last value retrieved from the specified sequence object. </p> <p class="para"> If the PDO driver does not support this capability, <b>PDO::lastInsertId()</b> triggers an <i>IM001</i> SQLSTATE. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pdo.getavailabledrivers.html">PDO::getAvailableDrivers</a></div> <div class="next" style="text-align: right; float: right;"><a href="pdo.prepare.html">PDO::prepare</a></div> <div class="up"><a href="class.pdo.html">PDO</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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