3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(round("foo"));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14, 8.4.1
Fatal error: Uncaught TypeError: round(): Argument #1 ($num) must be of type int|float, string given in /in/pU0LD:3 Stack trace: #0 /in/pU0LD(3): round('foo') #1 {main} thrown in /in/pU0LD on line 3
Process exited with code 255.
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
float(0)

preferences:
97.75 ms | 414 KiB | 6 Q