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run code in 300+ PHP versions simultaneously
<?php $a = 'hoge'; $b = 123; var_dump(compact('a','b','c'));
Output for 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
Warning: compact(): Undefined variable $c in /in/00LYO on line 4 array(2) { ["a"]=> string(4) "hoge" ["b"]=> int(123) }
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: compact(): Undefined variable $c in /in/00LYO on line 4 array(2) { ["a"]=> string(4) "hoge" ["b"]=> int(123) }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Notice: compact(): Undefined variable: c in /in/00LYO on line 4 array(2) { ["a"]=> string(4) "hoge" ["b"]=> int(123) }
Output for 7.2.0 - 7.2.34
array(2) { ["a"]=> string(4) "hoge" ["b"]=> int(123) }

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