php man page for ldap_compare

Query: ldap_compare

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

LDAP_COMPARE(3) 							 1							   LDAP_COMPARE(3)

ldap_compare - Compare value of attribute found in entry specified with DN

SYNOPSIS
mixed ldap_compare (resource $link_identifier, string $dn, string $attribute, string $value)
DESCRIPTION
Compare $value of $attribute with value of same attribute in an LDAP directory entry.
PARAMETERS
o $link_identifier - An LDAP link identifier, returned by ldap_connect(3). o $dn - The distinguished name of an LDAP entity. o $attribute - The attribute name. o $value - The compared value.
RETURN VALUES
Returns TRUE if $value matches otherwise returns FALSE. Returns -1 on error.
EXAMPLES
The following example demonstrates how to check whether or not given password matches the one defined in DN specified entry. Example #1 Complete example of password check <?php $ds=ldap_connect("localhost"); // assuming the LDAP server is on this host if ($ds) { // bind if (ldap_bind($ds)) { // prepare data $dn = "cn=Matti Meikku, ou=My Unit, o=My Company, c=FI"; $value = "secretpassword"; $attr = "password"; // compare value $r=ldap_compare($ds, $dn, $attr, $value); if ($r === -1) { echo "Error: " . ldap_error($ds); } elseif ($r === true) { echo "Password correct."; } elseif ($r === false) { echo "Wrong guess! Password incorrect."; } } else { echo "Unable to bind to LDAP server."; } ldap_close($ds); } else { echo "Unable to connect to LDAP server."; } ?>
NOTES
Warning ldap_compare(3) can NOT be used to compare BINARY values! PHP Documentation Group LDAP_COMPARE(3)
Related Man Pages
ldap_compare_ext_s(3) - redhat
ldap_compare_ext(3) - redhat
ldap_bind(3) - php
ldap_compare(3) - php
ldap_get_values(3) - php
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