3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = <<<STRING This, actually, is (a) nice' old'er string, as Raphaël said, "divided and conquered"! STRING; var_export( preg_match_all("~[\pL\pM]+[\pL\pM'-]*(?<!['-])~u", $string, $matches) ? $matches[0] : [] );
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 - 8.3.27, 8.4.1 - 8.4.14
array ( 0 => 'This', 1 => 'actually', 2 => 'is', 3 => 'a', 4 => 'nice', 5 => 'old\'er', 6 => 'string', 7 => 'as', 8 => 'Raphaël', 9 => 'said', 10 => 'divided', 11 => 'and', 12 => 'conquered', )
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 => 'This', 1 => 'actually', 2 => 'is', 3 => 'a', 4 => 'nice', 5 => 'old\'er', 6 => 'string', 7 => 'as', 8 => 'Raphaël', 9 => 'said', 10 => 'divided', 11 => 'and', 12 => 'conquered', )

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146.55 ms | 408 KiB | 5 Q