ldap_escape
(PHP 5 >= 5.6.0, PHP 7, PHP 8)
ldap_escape — Escape a string for use in an LDAP filter or DN
Description
ldap_escape(string
$value, string $ignore = "", int $flags = 0): string
Escapes value for use in the context implied by
flags.
Parameters
-
value -
The value to escape.
-
ignore -
Characters to ignore when escaping.
-
flags -
The context the escaped string will be used in:
LDAP_ESCAPE_FILTERfor filters to be used with ldap_search(), orLDAP_ESCAPE_DNfor DNs. If neither flag is passed, all chars are escaped.
Return Values
Returns the escaped string.
Examples
When building an LDAP filter, you should use ldap_escape with LDAP_ESCAPE_FILTER flag.
Example #1 Searching for an email address
<?php
// $ds is a valid LDAP\Connection instance for a directory server
// $mail is an email address provided by the user in a form
$base = "o=My Company, c=US";
$filter = "(mail=".ldap_escape($mail, "", LDAP_ESCAPE_FILTER).")";
$sr = ldap_search($ds, $base, $filter, array("sn", "givenname", "mail"));
$info = ldap_get_entries($ds, $sr);
echo $info["count"]." entries returned\n";
?>
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