3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(json_decode('[{"a":"1","b":"2"},{"a":"3","b":"4"}]', TRUE));
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 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
Array ( [0] => Array ( [a] => 1 [b] => 2 ) [1] => Array ( [a] => 3 [b] => 4 ) )
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 Array ( [0] => Array ( [a] => 1 [b] => 2 ) [1] => Array ( [a] => 3 [b] => 4 ) )

preferences:
193.02 ms | 402 KiB | 190 Q