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<div id="pdo.errorinfo" class="refentry">
<div class="refnamediv">
<h1 class="refname">PDO::errorInfo</h1>
<p class="verinfo">(PHP 5 >= 5.1.0, PHP 7, PHP 8, PECL pdo >= 0.1.0)</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" id="refsect1-pdo.errorinfo-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="methodname"><strong>PDO::errorInfo</strong></span>(): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>
</div>
<div class="refsect1 parameters" id="refsect1-pdo.errorinfo-parameters">
<h3 class="title">参数</h3>
<p class="para">此函数没有参数。</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-pdo.errorinfo-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
<span class="methodname"><strong>PDO::errorInfo()</strong></span> returns an array of error information
about the last operation performed by this database handle. The array
consists of at least the following fields:
<table class="doctable informaltable">
<thead>
<tr>
<th>Element</th>
<th>Information</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>0</td>
<td>SQLSTATE error code (a five characters alphanumeric identifier defined
in the ANSI SQL standard).</td>
</tr>
<tr>
<td>1</td>
<td>Driver-specific error code.</td>
</tr>
<tr>
<td>2</td>
<td>Driver-specific error message.</td>
</tr>
</tbody>
</table>
</p>
<blockquote class="note"><p><strong class="note">注意</strong>:
<p class="para">
If the SQLSTATE error code is not set or there is no driver-specific
error, the elements following element 0 will be set to <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>.
</p>
</p></blockquote>
<p class="para">
<span class="methodname"><strong>PDO::errorInfo()</strong></span> only retrieves error information for
operations performed directly on the database handle. If you create a
PDOStatement object through <span class="methodname"><a href="pdo.prepare.php" class="methodname">PDO::prepare()</a></span> or
<span class="methodname"><a href="pdo.query.php" class="methodname">PDO::query()</a></span> and invoke an error on the statement
handle, <span class="methodname"><strong>PDO::errorInfo()</strong></span> will not reflect the error
from the statement handle. You must call
<span class="methodname"><a href="pdostatement.errorinfo.php" class="methodname">PDOStatement::errorInfo()</a></span> to return the error
information for an operation performed on a particular statement handle.
</p>
</div>
<div class="refsect1 examples" id="refsect1-pdo.errorinfo-examples">
<h3 class="title">示例</h3>
<p class="para">
<div class="example" id="example-1110"><p><strong>示例 #1 Displaying errorInfo() fields for a PDO_ODBC connection to a DB2 database</strong></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>以上示例会输出：</p></div>
<div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">PDO::errorInfo():
Array
(
[0] => HY000
[1] => 1
[2] => near "bogus": syntax error
)</pre>
</div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-pdo.errorinfo-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li><span class="methodname"><a href="pdo.errorcode.php" class="methodname" rel="rdfs-seeAlso">PDO::errorCode()</a> - 获取跟数据库句柄上一次操作相关的 SQLSTATE</span></li>
<li><span class="methodname"><a href="pdostatement.errorcode.php" class="methodname" rel="rdfs-seeAlso">PDOStatement::errorCode()</a> - 获取跟上一次语句句柄操作相关的 SQLSTATE</span></li>
<li><span class="methodname"><a href="pdostatement.errorinfo.php" class="methodname" rel="rdfs-seeAlso">PDOStatement::errorInfo()</a> - 获取跟上一次语句句柄操作相关的扩展错误信息</span></li>
</ul>
</p>
</div>
</div><?php manual_footer($setup); ?>