- var_dump: documentation ( source)
- base64_decode: documentation ( source)
<?php
/*amOmMQfUYVN0OxwwRjomMCHT1A0KOZXoCl
2wjQHwPWkBI2lxexzlHpmH12gOgizxwrkV
INEsONk1AEozqvfS3WJZkp8aduIDGFvOS18hDhXDmC4S
kqvuFWaCx4x674BsHUiF2lmPoORhhF8Hws32FS
LrxIkz1sJZxBAaQpoiNLoKTa3MR9eM1q4ozedpNmEBnFb5uG
*/
//miBy10TC1A7ezb8fokkqNqHIaOlZhthJ
$a = "amOmMQfUYVN0OxwwRjomMCHT1A0KOZXoCl";
$z = "miBy10TC1A7ezb8fokkqNqHIaOlZhthJ==";
var_dump(strlen($a));
var_dump(strlen($z));
var_dump(base64_decode($a . $z));