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run code in 300+ PHP versions simultaneously
<?php $a = [ 'first' => 4, 'second' => 5, 'third' => 6 ]; $b = [ 'first' => 6, 'second' => 7, 'forth' => 8 ]; var_dump($a + $b);
Output for 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
array(4) { ["first"]=> int(4) ["second"]=> int(5) ["third"]=> int(6) ["forth"]=> int(8) }
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(4) { ["first"]=> int(4) ["second"]=> int(5) ["third"]=> int(6) ["forth"]=> int(8) }

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133.07 ms | 402 KiB | 202 Q