3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dob= "hello"; $age=$dob + 15; echo "$age"; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/r3FIo:3 Stack trace: #0 {main} thrown in /in/r3FIo on line 3
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/r3FIo on line 3 15
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
15

preferences:
152.98 ms | 402 KiB | 179 Q