function ldap_pear_asc2hex32 in Lightweight Directory Access Protocol (LDAP) 8.2

Same name and namespace in other branches

1. 7.2 ldap_servers/ldap_servers.functions.inc \ldap_pear_asc2hex32()
2. 7 ldap_servers/ldap_servers.functions.inc \ldap_pear_asc2hex32()

Converts all ASCII chars < 32 to "\HEX"

@static

Parameters

string $string String to convert:

Return value

string

2 calls to ldap_pear_asc2hex32()

ldap_pear_escape_dn_value in ldap_servers/ldap_servers.functions.inc

Escapes a DN value according to RFC 2253

ldap_pear_escape_filter_value in ldap_servers/ldap_servers.functions.inc

from pear net_ldap2-2.0.11

File

ldap_servers/ldap_servers.functions.inc, line 391

collection of functions that don't belong in server object

Code

function ldap_pear_asc2hex32($string) {
  for ($i = 0; $i < strlen($string); $i++) {
    $char = substr($string, $i, 1);
    if (ord($char) < 32) {
      $hex = dechex(ord($char));
      if (strlen($hex) == 1) {
        $hex = '0' . $hex;
      }
      $string = str_replace($char, '\\' . $hex, $string);
    }
  }
  return $string;
}