Description:
------------
recently upgraded php from 4.4 to 5.2.6

configure command
'./configure' '--with-apxs2=/usr/sbin/apxs' '--enable-track-vars' '--enable-shmop' '--enable-sysvsem' '--enable-sysvshm' '--with-oci8=/usr/local/oracle92' '--with-mysql' '--with-zlib=/usr' '--with-zlib-dir=/usr/local/lib/' '--with-gd' '--with-png-dir=/usr/local/lib' '--with-freetype-dir=/usr/local/lib/' '--with-jpeg-dir=/usr/lib/' '--with-curl' 

When i ran the following script 

<?php
$password = 'OctaviaAnghel';
$crypt = crypt($password);
echo $crypt;
?>

the following error is displayed.

Fatal error: Call to undefined function crypt() in /home/httpd/htdocs/test.php on line 3