- var_dump: documentation ( source)
- array_reduce: documentation ( source)
- dechex: documentation ( source)
<?php
$arr = [66, 233, 204, 205];
$res = array_reduce( $arr, function($c,$i) {
$c.=dechex( $i );
return $c;
});
$temp = "0x" . $res; // 0x42e9cccd
var_dump($temp + 0);