3v4l.org

run code in 300+ PHP versions simultaneously
<?php $address = 'One Infinite Loop, Cupertino 95014'; $cityZipCodeRegex = '/^[^,]+,\s*(.+?)\s*(\d{5})$/'; preg_match($cityZipCodeRegex, $address, $matches); [, $city, $zipCode] = $matches; //saveCityZipCode($city, $zipCode);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7

preferences:
43.55 ms | 402 KiB | 62 Q