3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Hello, "+"world";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/4rbt0:3 Stack trace: #0 {main} thrown in /in/4rbt0 on line 3
Process exited with code 255.
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/4rbt0 on line 3 Warning: A non-numeric value encountered in /in/4rbt0 on line 3 0

preferences:
104.36 ms | 1518 KiB | 4 Q