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ldap_compare

(PHP 4 >= 4.0.2, PHP 5, PHP 7)

ldap_compareCompare value of attribute found in entry specified with DN

Açıklama

ldap_compare ( resource $link_identifier , string $dn , string $attribute , string $value [, array $serverctrls = array() ] ) : mixed

Compare value of attribute with value of same attribute in an LDAP directory entry.

Değiştirgeler

link_identifier

An LDAP link identifier, returned by ldap_connect().

dn

The distinguished name of an LDAP entity.

attribute

The attribute name.

value

The compared value.

serverctrls

Array of LDAP Controls to send with the request.

Dönen Değerler

Returns TRUE if value matches otherwise returns FALSE. Returns -1 on error.

Sürüm Bilgisi

Sürüm: Açıklama
7.3 Support for serverctrls added

Örnekler

The following example demonstrates how to check whether or not given password matches the one defined in DN specified entry.

Örnek 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.";
}
?>

Notlar

Uyarı

ldap_compare() can NOT be used to compare BINARY values!

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