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run code in 300+ PHP versions simultaneously
<?php $tests = [ 'This string s_0a1f2d4e3c10b is foo.', 's_1a23b456c789', 'b_9d9d9d9d9d', 's_1e2f3a4b' ]; foreach ($tests as $test) { var_export( preg_match_all( '~(?:s_|\G(?!^)[a-z]+)\K\d+~', $test, $matches ) ? $matches[0] : [] ); echo "\n---\n"; }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => '0', 1 => '1', 2 => '2', 3 => '4', 4 => '3', 5 => '10', ) --- array ( 0 => '1', 1 => '23', 2 => '456', 3 => '789', ) --- array ( ) --- array ( 0 => '1', 1 => '2', 2 => '3', 3 => '4', ) ---
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 ( 0 => '0', 1 => '1', 2 => '2', 3 => '4', 4 => '3', 5 => '10', ) --- array ( 0 => '1', 1 => '23', 2 => '456', 3 => '789', ) --- array ( ) --- array ( 0 => '1', 1 => '2', 2 => '3', 3 => '4', ) ---

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