- var_dump: documentation ( source)
- base_convert: documentation ( source)
- bindec: documentation ( source)
- printf: documentation ( source)
<?php
$a = "0x80" + 0;
var_dump($a);
$converted = base_convert($a, 16, 2);
printf("\n%b\n",$converted);
printf("\n%d\n",bindec($converted));
var_dump($a == $converted,$a,bindec($converted));