- urlencode: documentation ( source)
<?php
$url = 'U2FsdGVkX1+PAG59enG/B8WGdl0gTDqKz0iXbzh1ormx4nXp1jAlvgvVqBrp1Ny4
De5zumMs7bMDDH798/AO/3MAVFt72oWSpLsDD8vojLGJW8ard6ONpiFeSpzlO2Eu
UM/NWGp1BvSVocpp74vZBS4gqPocVmwnDo3PRV9EP+VC/o7zIc/PabtnTteBuO9p
3t3UUBWMx+0yQ01HJbMx04vIgdElRsrBUaoZQmNepYQ=';
print urlencode($url);