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run code in 300+ PHP versions simultaneously
<?php $data = [ [1, 2, 3], [4, 5, 6], [7, 8, 9], ]; printf('var data = %s;', json_encode($data));
Output for 5.6.0 - 5.6.26, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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
var data = [[1,2,3],[4,5,6],[7,8,9]];
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 var data = [[1,2,3],[4,5,6],[7,8,9]];

preferences:
185.58 ms | 402 KiB | 214 Q