PHP: ldap_error

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class="refpurpose"><span class="refname">ldap_error</span> — <span class="dc-title">Return the LDAP error message of the last LDAP command</span></p> </div> <div class="refsect1 description" id="refsect1-function.ldap-error-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="methodname"><strong>ldap_error</strong></span>(<span class="methodparam"><span class="type"><a href="class.ldap-connection.php" class="type LDAP\Connection">LDAP\Connection</a></span> <code class="parameter">$ldap</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div> <p class="para rdfs-comment"> Returns the string error message explaining the error generated by the last LDAP command for the given <code class="parameter">ldap</code>. While LDAP errno numbers are standardized, different libraries return different or even localized textual error messages. Never check for a specific error message text, but always use an error number to check. </p> <p class="para"> Unless you lower your warning level in your <var class="filename">php.ini</var> sufficiently or prefix your LDAP commands with <code class="literal">@</code> (at) characters to suppress warning output, the errors generated will also show up in your HTML output. </p> </div> <div class="refsect1 parameters" id="refsect1-function.ldap-error-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><code class="parameter">ldap</code></dt> <dd> <p class="para"> An <span class="classname"><a href="class.ldap-connection.php" class="classname">LDAP\Connection</a></span> instance, returned by <span class="function"><a href="function.ldap-connect.php" class="function">ldap_connect()</a></span>. </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.ldap-error-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns string error message. </p> </div> <div class="refsect1 changelog" id="refsect1-function.ldap-error-changelog"> <h3 class="title">Changelog</h3> <table class="doctable informaltable"> <thead> <tr> <th>Version</th> <th>Description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>8.1.0</td> <td> The <code class="parameter">ldap</code> parameter expects an <span class="classname"><a href="class.ldap-connection.php" class="classname">LDAP\Connection</a></span> instance now; previously, a valid <code class="literal">ldap link</code> <a href="language.types.resource.php" class="link">resource</a> was expected. </td> </tr> </tbody> </table> </div> <div class="refsect1 seealso" id="refsect1-function.ldap-error-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li><span class="function"><a href="function.ldap-err2str.php" class="function" rel="rdfs-seeAlso">ldap_err2str()</a> - Convert LDAP error number into string error message</span></li> <li><span class="function"><a href="function.ldap-errno.php" class="function" rel="rdfs-seeAlso">ldap_errno()</a> - Return the LDAP error number of the last LDAP command</span></li> </ul> </p> </div> </div> <div class="contribute"> <h3 class="title">Found A Problem?</h3> <div> </div> <div class="edit-bug"> <a href="https://github.com/php/doc-base/blob/master/README.md" title="This will take you to our contribution guidelines on GitHub" target="_blank" rel="noopener noreferrer">Learn How To Improve This Page</a> • <a href="https://github.com/php/doc-en/blob/master/reference/ldap/functions/ldap-error.xml">Submit a Pull Request</a> • <a href="https://github.com/php/doc-en/issues/new?body=From%20manual%20page:%20https:%2F%2Fphp.net%2Ffunction.ldap-error%0A%0A---">Report a Bug</a> </div> </div><section id="usernotes"> <div class="head"> <span class="action"><a href="/manual/add-note.php?sect=function.ldap-error&repo=en&redirect=https://www.php.net/manual/en/function.ldap-error.php">＋<small>add a note</small></a></span> <h3 class="title">User Contributed Notes <span class="count">2 notes</span></h3> </div><div id="allnotes"> <div class="note" id="121881"> <div class="votes"> <div id="Vu121881"> <a href="/manual/vote-note.php?id=121881&page=function.ldap-error&vote=up" title="Vote up!" class="usernotes-voteu">up</a> </div> <div id="Vd121881"> <a href="/manual/vote-note.php?id=121881&page=function.ldap-error&vote=down" title="Vote down!" class="usernotes-voted">down</a> </div> <div class="tally" id="V121881" title="80% like this..."> 15 </div> </div> <a href="#121881" class="name"> <strong class="user"><em>Michael Newton</em></strong></a><a class="genanchor" href="#121881"> ¶</a><div class="date" title="2017-11-18 12:23"><strong>7 years ago</strong></div> <div class="text" id="Hcom121881"> <div class="phpcode"><code><span class="html">Note that you can sometimes get more detailed error messages by getting the value of the LDAP_OPT_DIAGNOSTIC_MESSAGE option.<br /><br />For example, after a recent connection error the two gave very different info:<br /><br /><span class="default"><?php<br />$conn </span><span class="keyword">= </span><span class="default">ldap_connect</span><span class="keyword">(</span><span class="default">$server</span><span class="keyword">);<br /></span><span class="default">ldap_search</span><span class="keyword">(</span><span class="default">$conn</span><span class="keyword">, </span><span class="default">$dn</span><span class="keyword">, </span><span class="default">$query</span><span class="keyword">);<br /><br />echo </span><span class="string">"ldap_error: " </span><span class="keyword">. </span><span class="default">ldap_error</span><span class="keyword">(</span><span class="default">$conn</span><span class="keyword">);<br /></span><span class="default">ldap_get_option</span><span class="keyword">(</span><span class="default">$conn</span><span class="keyword">, </span><span class="default">LDAP_OPT_DIAGNOSTIC_MESSAGE</span><span class="keyword">, </span><span class="default">$err</span><span class="keyword">);<br />echo </span><span class="string">"ldap_get_option: </span><span class="default">$err</span><span class="string">"</span><span class="keyword">;<br /></span><span class="default">?><br /></span><br />This resulted in:<br /><br /> ldap_error: Can't contact LDAP server<br /> ldap_get_option: TLS: hostname does not match CN in peer certificate</span></code></div> </div> </div> <div class="note" id="84742"> <div class="votes"> <div id="Vu84742"> <a href="/manual/vote-note.php?id=84742&page=function.ldap-error&vote=up" title="Vote up!" class="usernotes-voteu">up</a> </div> <div id="Vd84742"> <a href="/manual/vote-note.php?id=84742&page=function.ldap-error&vote=down" title="Vote down!" class="usernotes-voted">down</a> </div> <div class="tally" id="V84742" title="57% like this..."> 5 </div> </div> <a href="#84742" class="name"> <strong class="user"><em>edA-qa at disemia dot com</em></strong></a><a class="genanchor" href="#84742"> ¶</a><div class="date" title="2008-07-28 06:43"><strong>16 years ago</strong></div> <div class="text" id="Hcom84742"> <div class="phpcode"><code><span class="html">For those wondering, this function appears to do the same thing as:<br /><span class="default"><?php<br />ldap_err2str</span><span class="keyword">( </span><span class="default">ldap_errno</span><span class="keyword">() );<br /></span><span class="default">?></span></span></code></div> </div> </div></div> <div class="foot"><a href="/manual/add-note.php?sect=function.ldap-error&repo=en&redirect=https://www.php.net/manual/en/function.ldap-error.php">＋<small>add a note</small></a></div> </section> </section> <aside class='layout-menu'> <ul class='parent-menu-list'> <li> <a href="ref.ldap.php">LDAP Functions</a> <ul class='child-menu-list'> <li class=""> <a href="function.ldap-8859-to-t61.php" 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title="ldap_exop_refresh">ldap_exop_refresh</a> </li> <li class=""> <a href="function.ldap-exop-sync.php" title="ldap_exop_sync">ldap_exop_sync</a> </li> <li class=""> <a href="function.ldap-exop-whoami.php" title="ldap_exop_whoami">ldap_exop_whoami</a> </li> <li class=""> <a href="function.ldap-explode-dn.php" title="ldap_explode_dn">ldap_explode_dn</a> </li> <li class=""> <a href="function.ldap-first-attribute.php" title="ldap_first_attribute">ldap_first_attribute</a> </li> <li class=""> <a href="function.ldap-first-entry.php" title="ldap_first_entry">ldap_first_entry</a> </li> <li class=""> <a href="function.ldap-first-reference.php" title="ldap_first_reference">ldap_first_reference</a> </li> <li class=""> <a href="function.ldap-free-result.php" title="ldap_free_result">ldap_free_result</a> </li> <li class=""> <a href="function.ldap-get-attributes.php" title="ldap_get_attributes">ldap_get_attributes</a> </li> <li class=""> <a href="function.ldap-get-dn.php" title="ldap_get_dn">ldap_get_dn</a> </li> <li class=""> <a href="function.ldap-get-entries.php" title="ldap_get_entries">ldap_get_entries</a> </li> <li class=""> <a href="function.ldap-get-option.php" title="ldap_get_option">ldap_get_option</a> </li> <li class=""> <a href="function.ldap-get-values.php" title="ldap_get_values">ldap_get_values</a> </li> <li class=""> <a href="function.ldap-get-values-len.php" title="ldap_get_values_len">ldap_get_values_len</a> </li> <li class=""> <a href="function.ldap-list.php" title="ldap_list">ldap_list</a> </li> <li class=""> <a href="function.ldap-mod-add.php" title="ldap_mod_add">ldap_mod_add</a> </li> <li class=""> <a href="function.ldap-mod_add-ext.php" title="ldap_mod_add_ext">ldap_mod_add_ext</a> </li> <li class=""> <a href="function.ldap-mod-del.php" title="ldap_mod_del">ldap_mod_del</a> </li> <li class=""> <a href="function.ldap-mod_del-ext.php" title="ldap_mod_del_ext">ldap_mod_del_ext</a> </li> <li class=""> <a 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href="function.ldap-parse-result.php" title="ldap_parse_result">ldap_parse_result</a> </li> <li class=""> <a href="function.ldap-read.php" title="ldap_read">ldap_read</a> </li> <li class=""> <a href="function.ldap-rename.php" title="ldap_rename">ldap_rename</a> </li> <li class=""> <a href="function.ldap-rename-ext.php" title="ldap_rename_ext">ldap_rename_ext</a> </li> <li class=""> <a href="function.ldap-sasl-bind.php" title="ldap_sasl_bind">ldap_sasl_bind</a> </li> <li class=""> <a href="function.ldap-search.php" title="ldap_search">ldap_search</a> </li> <li class=""> <a href="function.ldap-set-option.php" title="ldap_set_option">ldap_set_option</a> </li> <li class=""> <a href="function.ldap-set-rebind-proc.php" title="ldap_set_rebind_proc">ldap_set_rebind_proc</a> </li> <li class=""> <a href="function.ldap-sort.php" title="ldap_sort">ldap_sort</a> </li> <li class=""> <a href="function.ldap-start-tls.php" title="ldap_start_tls">ldap_start_tls</a> </li> <li class=""> <a 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