3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(gmp_add('0', '0')){ echo "zero"; }else{ echo "nonzero"; } if(gmp_add('1', '0')){ echo "zero"; }else{ echo "nonzero"; }
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Recoverable fatal error: Object of class GMP could not be converted to bool in /in/o3R9q on line 3
Process exited with code 255.
Output for 7.0.6, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/o3R9q:3 Stack trace: #0 {main} thrown in /in/o3R9q on line 3
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
Recoverable fatal error: Object of class GMP could not be converted to boolean in /in/o3R9q on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.5, 7.0.20
Catchable fatal error: Object of class GMP could not be converted to boolean in /in/o3R9q on line 3
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.34, 5.6.7 - 5.6.20, 5.6.28
zerozero
Output for 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_add() in /in/o3R9q on line 3
Process exited with code 255.

preferences:
194.06 ms | 401 KiB | 242 Q