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run code in 300+ PHP versions simultaneously
<?php try{ $array['a'] += 2; var_dump($array); } catch(Throwable){}
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $array in /in/VJ0SZ on line 4 Warning: Undefined array key "a" in /in/VJ0SZ on line 4 array(1) { ["a"]=> int(2) }
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 Warning: Undefined variable $array in /in/VJ0SZ on line 4 Warning: Undefined array key "a" in /in/VJ0SZ on line 4 array(1) { ["a"]=> int(2) }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.22, 7.4.0 - 7.4.10
Parse error: syntax error, unexpected ')', expecting '|' or variable (T_VARIABLE) in /in/VJ0SZ on line 6
Process exited with code 255.

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