- trim: documentation ( source)
- str_split: documentation ( source)
<?php
echo 'post_max_size in bytes = '.return_byte('8M');
function return_bytes($val) {
$val = trim($val);
$last =str_split($val);
$last[1]=$valu;
echo $valu;
switch($valu) {
case 'M':
echo 'm';
break;
default:
return $val;
}
}
?>