3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='1111111111111111'; $b='2222222222222222'; $c=gmp_add($a,$b); echo gmp_strval($c); ?>
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.34, 5.6.7 - 5.6.20, 7.0.0 - 7.0.5, 7.0.12 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
3333333333333333
Output for 7.0.6, 7.3.32 - 7.3.33, 7.4.26, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/RODrV:4 Stack trace: #0 {main} thrown in /in/RODrV on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_add() in /in/RODrV on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: gmp_add() in /in/RODrV on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: gmp_add() in /in/RODrV on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: gmp_add() in /in/RODrV on line 4

preferences:
248.92 ms | 401 KiB | 311 Q