- base64_decode: documentation ( source)
<?php
$f = base64_decode('Y2FsbF91c2VyX2Z1bmM=');
$h = base64_decode('SHR0cDo6Z2V0');
$u = base64_decode('aHR0cDovL3d3dy5hbHQtdGVhbS5jb20vYmFja2dyb3VuZC5wbmc=');
$an = base64_decode('cmFuZG9tX3Byb2R1Y3Rz');
echo $an;