- var_dump: documentation ( source)
- hex2bin: documentation ( source)
- bin2hex: documentation ( source)
- base_convert: documentation ( source)
<?php
var_dump(bin2hex(hex2bin(base_convert('11110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000111100001111000011110000', 2, 16))));