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run code in 300+ PHP versions simultaneously
<?php $file1 = 'orders1.txt'; $file1CounterPart = 'order1-items.txt'; $file2 = 'orders2.txt'; $file2CounterPart = 'order2-items.txt'; $files = [$file1, $file1CounterPart, $file2, $file2CounterPart]; var_dump($files); function passes(array $files) { $orders = array_filter($files, function ($file) { return preg_match('/^orders\d+\.txt$/', $file); }); $orderItems = array_filter($files, function ($file) { return preg_match('/^order\d+\.txt$/', $file); }); var_dump($orders); var_dump($orderItems); } var_dump( [ [ 'orders1.txt', 'order1-items.txt' ], [ 'orders2.txt', 'order2-items.txt' ] ] );
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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) { [0]=> string(11) "orders1.txt" [1]=> string(16) "order1-items.txt" [2]=> string(11) "orders2.txt" [3]=> string(16) "order2-items.txt" } array(2) { [0]=> array(2) { [0]=> string(11) "orders1.txt" [1]=> string(16) "order1-items.txt" } [1]=> array(2) { [0]=> string(11) "orders2.txt" [1]=> string(16) "order2-items.txt" } }
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) { [0]=> string(11) "orders1.txt" [1]=> string(16) "order1-items.txt" [2]=> string(11) "orders2.txt" [3]=> string(16) "order2-items.txt" } array(2) { [0]=> array(2) { [0]=> string(11) "orders1.txt" [1]=> string(16) "order1-items.txt" } [1]=> array(2) { [0]=> string(11) "orders2.txt" [1]=> string(16) "order2-items.txt" } }

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