function.ldap-errno.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>Return the LDAP error number of the last LDAP command</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="function.ldap-err2str.html">ldap_err2str</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ldap-error.html">ldap_error</a></div> <div class="up"><a href="ref.ldap.html">LDAP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ldap-errno" class="refentry"> <div class="refnamediv"> <h1 class="refname">ldap_errno</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ldap_errno</span> — <span class="dc-title">Return the LDAP error number of the last LDAP command</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>ldap_errno</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$link_identifier</tt></span> )</div> <p class="para rdfs-comment"> Returns the standardized error number returned by the last LDAP command. This number can be converted into a textual error message using <a href="function.ldap-err2str.html" class="function">ldap_err2str()</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">link_identifier</tt></i></span> <dd> <p class="para"> An LDAP link identifier, returned by <a href="function.ldap-connect.html" class="function">ldap_connect()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Return the LDAP error number of the last LDAP command for this link. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> Unless you lower your warning level in your <var class="filename">php.ini</var> sufficiently or prefix your LDAP commands with @ (at) characters to suppress warning output, the errors generated will also show up in your HTML output. <div class="example"> <p><b>Example #1 Generating and catching an error</b></p><div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// This example contains an error, which we will catch.<br /></span><span style="color: #0000BB">$ld </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$bind </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$ld</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// syntax error in filter expression (errno 87),<br />// must be "objectclass=*" to work.<br /></span><span style="color: #0000BB">$res </span><span style="color: #007700">= @</span><span style="color: #0000BB">ldap_search</span><span style="color: #007700">(</span><span style="color: #0000BB">$ld</span><span style="color: #007700">, </span><span style="color: #DD0000">"o=Myorg, c=DE"</span><span style="color: #007700">, </span><span style="color: #DD0000">"objectclass"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$res</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"LDAP-Errno: " </span><span style="color: #007700">. </span><span style="color: #0000BB">ldap_errno</span><span style="color: #007700">(</span><span style="color: #0000BB">$ld</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"LDAP-Error: " </span><span style="color: #007700">. </span><span style="color: #0000BB">ldap_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$ld</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br />\n"</span><span style="color: #007700">;<br /> die(</span><span style="color: #DD0000">"Argh!<br />\n"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_get_entries</span><span style="color: #007700">(</span><span style="color: #0000BB">$ld</span><span style="color: #007700">, </span><span style="color: #0000BB">$res</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$info</span><span style="color: #007700">[</span><span style="color: #DD0000">"count"</span><span style="color: #007700">] . </span><span style="color: #DD0000">" matching entries.<br />\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </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="function.ldap-err2str.html" class="function" rel="rdfs-seeAlso">ldap_err2str()</a></li> <li class="member"><a href="function.ldap-error.html" class="function" rel="rdfs-seeAlso">ldap_error()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ldap-err2str.html">ldap_err2str</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ldap-error.html">ldap_error</a></div> <div class="up"><a href="ref.ldap.html">LDAP Functions</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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