3v4l.org

run code in 300+ PHP versions simultaneously
<?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')); // :( var_dump(atoi('3fail3'));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(6) "303819" int(-303) string(3) "293" int(0) string(2) "29" int(0) int(0) int(0)
preferences:
234.28 ms | 406 KiB | 311 Q