<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Bind to LDAP directory</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ldap-add.html">ldap_add</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ldap-close.html">ldap_close</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-bind" class="refentry"> <div class="refnamediv"> <h1 class="refname">ldap_bind</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ldap_bind</span> — <span class="dc-title">Bind to LDAP directory</span></p> </div> <div class="refsect1 description" id="refsect1-function.ldap-bind-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>ldap_bind</strong></span> ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$bind_rdn</code><span class="initializer"> = <strong><code>NULL</code></strong></span></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$bind_password</code><span class="initializer"> = <strong><code>NULL</code></strong></span></span> ]] )</div> <p class="para rdfs-comment"> Binds to the LDAP directory with specified RDN and password. </p> </div> <div class="refsect1 parameters" id="refsect1-function.ldap-bind-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">link_identifier</code></em></span> <dd> <p class="para"> An LDAP link identifier, returned by <span class="function"><a href="function.ldap-connect.html" class="function">ldap_connect()</a></span>. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">bind_rdn</code></em></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">bind_password</code></em></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> <p class="para"> If <em><code class="parameter">bind_rdn</code></em> and <em><code class="parameter">bind_password</code></em> are not specified, an anonymous bind is attempted. </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.ldap-bind-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure. </p> </div> <div class="refsect1 examples" id="refsect1-function.ldap-bind-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-4388"> <p><strong>Example #1 Using LDAP Bind</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// using ldap bind<br /></span><span style="color: #0000BB">$ldaprdn </span><span style="color: #007700">= </span><span style="color: #DD0000">'uname'</span><span style="color: #007700">; </span><span style="color: #FF8000">// ldap rdn or dn<br /></span><span style="color: #0000BB">$ldappass </span><span style="color: #007700">= </span><span style="color: #DD0000">'password'</span><span style="color: #007700">; </span><span style="color: #FF8000">// associated password<br /><br />// connect to ldap server<br /></span><span style="color: #0000BB">$ldapconn </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"ldap.example.com"</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"Could not connect to LDAP server."</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$ldapconn</span><span style="color: #007700">) {<br /><br /> </span><span style="color: #FF8000">// binding to ldap server<br /> </span><span style="color: #0000BB">$ldapbind </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$ldapconn</span><span style="color: #007700">, </span><span style="color: #0000BB">$ldaprdn</span><span style="color: #007700">, </span><span style="color: #0000BB">$ldappass</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">// verify binding<br /> </span><span style="color: #007700">if (</span><span style="color: #0000BB">$ldapbind</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"LDAP bind successful..."</span><span style="color: #007700">;<br /> } else {<br /> echo </span><span style="color: #DD0000">"LDAP bind failed..."</span><span style="color: #007700">;<br /> }<br /><br />}<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> <div class="example" id="example-4389"> <p><strong>Example #2 Using LDAP Bind Anonymously</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">//using ldap bind anonymously<br /><br />// connect to ldap server<br /></span><span style="color: #0000BB">$ldapconn </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"ldap.example.com"</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"Could not connect to LDAP server."</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$ldapconn</span><span style="color: #007700">) {<br /><br /> </span><span style="color: #FF8000">// binding anonymously<br /> </span><span style="color: #0000BB">$ldapbind </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$ldapconn</span><span style="color: #007700">);<br /><br /> if (</span><span style="color: #0000BB">$ldapbind</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"LDAP bind anonymous successful..."</span><span style="color: #007700">;<br /> } else {<br /> echo </span><span style="color: #DD0000">"LDAP bind anonymous failed..."</span><span style="color: #007700">;<br /> }<br /><br />}<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-function.ldap-bind-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.ldap-unbind.html" class="function" rel="rdfs-seeAlso">ldap_unbind()</a> - Unbind from LDAP directory</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; 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