Online PHP editor | refs for VGesC

<?php function atoi($s){ $s = trim($s); $sign = '+'; if($s[0]=='+'||$s[0]=='-'){ $sign = $s[0]; if(!ctype_digit($s[1])) { return 0; } } $s = preg_replace('/[^0-9]/','',$s); if($s) { if($sign=='-') { $s = -$s; } } else { $s = 0; } return $s; } var_dump(atoi("303819")); var_dump(atoi('-303')); var_dump(atoi('293kurwa')); var_dump(atoi('kurwa 552')); var_dump(atoi('+29')); var_dump(atoi('- 69')); var_dump(atoi('ja pierdole'));