3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url=""; if (preg_match('/^(?:(?:https?):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]+-?)*[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]+-?)*[a-z\x{00a1}-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$'/i, $url)) { }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "i" in /in/9fs14:3 Stack trace: #0 {main} thrown in /in/9fs14 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/9fs14 on line 3 Warning: A non-numeric value encountered in /in/9fs14 on line 3 Warning: A non-numeric value encountered in /in/9fs14 on line 3 Warning: Division by zero in /in/9fs14 on line 3 Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/9fs14 on line 3
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant i - assumed 'i' in /in/9fs14 on line 3 Warning: A non-numeric value encountered in /in/9fs14 on line 3 Warning: A non-numeric value encountered in /in/9fs14 on line 3 Warning: Division by zero in /in/9fs14 on line 3 Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/9fs14 on line 3
Output for 7.0.0 - 7.0.20
Notice: Use of undefined constant i - assumed 'i' in /in/9fs14 on line 3 Warning: Division by zero in /in/9fs14 on line 3 Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /in/9fs14 on line 3
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Use of undefined constant i - assumed 'i' in /in/9fs14 on line 3 Warning: Division by zero in /in/9fs14 on line 3 Warning: preg_match(): Empty regular expression in /in/9fs14 on line 3
preferences:
142.34 ms | 402 KiB | 182 Q