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run code in 300+ PHP versions simultaneously
<?php $config = ["a" => "green", "b" => "red", "d" => "blue"]; $allow = ["a","b","c"]; $result = \array_filter($config, function ($item) use ($allow) { return \in_array($item, $allow, true); }, \ARRAY_FILTER_USE_KEY); print_r($result);
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 ( [a] => green [b] => red )
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 ( [a] => green [b] => red )
preferences:
145.16 ms | 402 KiB | 191 Q