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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>Fetch extended error information associated with the last operation on the database handle</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.errorcode.html">PDO::errorCode</a></div> <div class="next" style="text-align: right; float: right;"><a href="pdo.exec.html">PDO::exec</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.errorinfo" class="refentry"> <div class="refnamediv"> <h1 class="refname">PDO::errorInfo</h1> <p class="verinfo">(PHP 5 >= 5.1.0, PECL pdo:0.1-1.0.3)</p><p class="refpurpose"><span class="refname">PDO::errorInfo</span> — <span class="dc-title"> Fetch extended error information associated with the last operation on the database handle </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>PDO::errorInfo</b></b></span> ( <span class="methodparam">void</span> )</div> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <b>PDO::errorInfo()</b> returns an array of error information about the last operation performed by this database handle. The array consists of the following fields: <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Element</th> <th colspan="1">Information</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">0</td> <td colspan="1" rowspan="1" align="left">SQLSTATE error code (a five-character alphanumeric identifier defined in the ANSI SQL standard).</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">1</td> <td colspan="1" rowspan="1" align="left">Driver-specific error code.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">2</td> <td colspan="1" rowspan="1" align="left">Driver-specific error message.</td> </tr> </tbody> </colgroup> </table> </p> <p class="para"> <b>PDO::errorInfo()</b> only retrieves error information for operations performed directly on the database handle. If you create a PDOStatement object through <a href="pdo.prepare.html" class="function">PDO::prepare()</a> or <a href="pdo.query.html" class="function">PDO::query()</a> and invoke an error on the statement handle, <b>PDO::errorInfo()</b> will not reflect the error from the statement handle. You must call <a href="pdostatement.errorinfo.html" class="function">PDOStatement::errorInfo()</a> to return the error information for an operation performed on a particular statement handle. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"><p><b>Example #1 Displaying errorInfo() fields for a PDO_ODBC connection to a DB2 database</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Provoke an error -- bogus SQL syntax */<br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">$dbh</span><span style="color: #007700">-></span><span style="color: #0000BB">prepare</span><span style="color: #007700">(</span><span style="color: #DD0000">'bogus sql'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"\nPDO::errorInfo():\n"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbh</span><span style="color: #007700">-></span><span style="color: #0000BB">errorInfo</span><span style="color: #007700">());<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>PDO::errorInfo():Array( [0] => HY000 [1] => 1 [2] => near "bogus": syntax error)</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="pdo.errorcode.html" class="function" rel="rdfs-seeAlso">PDO::errorCode()</a></li> <li class="member"><a href="pdostatement.errorcode.html" class="function" rel="rdfs-seeAlso">PDOStatement::errorCode()</a></li> <li class="member"><a href="pdostatement.errorinfo.html" class="function" rel="rdfs-seeAlso">PDOStatement::errorInfo()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pdo.errorcode.html">PDO::errorCode</a></div> <div class="next" style="text-align: right; float: right;"><a href="pdo.exec.html">PDO::exec</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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