- stream_get_contents: documentation ( source)
- str_replace: documentation ( source)
- fseek: documentation ( source)
- fopen: documentation ( source)
<?php
$fp = fopen(__FILE__, 'r');
fseek($fp, __COMPILER_HALT_OFFSET__);
$data = str_replace("===", "!==", stream_get_contents($fp));
eval($data);
__halt_compiler();
$a = true;
if ($a === 1 && $a === 2 && $a === 3) {
echo 'YeahhHH!';
}