(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
ldap_compare — Compare value of attribute found in entry specified with DN
$ldap
,$dn
,$attribute
,$value
,$controls
= null
Compare value
of attribute
with value of same attribute in an LDAP directory entry.
ldap
Примірник LDAP\Connection, якого повертає ldap_connect().
dn
The distinguished name of an LDAP entity.
attribute
The attribute name.
value
The compared value.
controls
Array of LDAP Controls to send with the request.
Returns true
if value
matches otherwise returns
false
. Returns -1 on error.
Версія | Опис |
---|---|
8.1.0 |
Тепер параметр ldap має бути примірником
LDAP\Connection; раніше очікувався дійсний resource
ldap link .
|
8.0.0 |
Параметр controls тепер може бути null ; раніше
початково було [] .
|
7.3.0 |
Support for controls added
|
The following example demonstrates how to check whether or not given password matches the one defined in DN specified entry.
Приклад #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.";
}
?>
ldap_compare() can NOT be used to compare BINARY values!