3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 1; $i <= 10; $i++) { $result = $i * $i; echo "($i)x($i)=($result)\n"; }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
(1)x(1)=(1) (2)x(2)=(4) (3)x(3)=(9) (4)x(4)=(16) (5)x(5)=(25) (6)x(6)=(36) (7)x(7)=(49) (8)x(8)=(64) (9)x(9)=(81) (10)x(10)=(100)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 (1)x(1)=(1) (2)x(2)=(4) (3)x(3)=(9) (4)x(4)=(16) (5)x(5)=(25) (6)x(6)=(36) (7)x(7)=(49) (8)x(8)=(64) (9)x(9)=(81) (10)x(10)=(100)

preferences:
148.31 ms | 402 KiB | 183 Q