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run code in 300+ PHP versions simultaneously
<?php $string = "aa | bb | \"cc | dd\" | 'ee | ff'"; preg_match_all("~(?|\"([^\"]*)\"|'([^']*)'|([^|'\"]+))(?:\s*\|\s*|\z)~", $string, $matches); print_r(array_map(function($x) {return trim($x);}, $matches[1]));
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] => aa [1] => bb [2] => cc | dd [3] => ee | ff )
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] => aa [1] => bb [2] => cc | dd [3] => ee | ff )

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133.46 ms | 407 KiB | 5 Q