3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match_all('/[\x{0080}-\x{ffff}]/u', 'café åäö', $matches, PREG_OFFSET_CAPTURE); var_dump($matches, pack('s', 'é'));
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(1) { [0]=> array(4) { [0]=> array(2) { [0]=> string(2) "é" [1]=> int(3) } [1]=> array(2) { [0]=> string(2) "å" [1]=> int(6) } [2]=> array(2) { [0]=> string(2) "ä" [1]=> int(8) } [3]=> array(2) { [0]=> string(2) "ö" [1]=> int(10) } } } string(2) ""
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(1) { [0]=> array(4) { [0]=> array(2) { [0]=> string(2) "é" [1]=> int(3) } [1]=> array(2) { [0]=> string(2) "å" [1]=> int(6) } [2]=> array(2) { [0]=> string(2) "ä" [1]=> int(8) } [3]=> array(2) { [0]=> string(2) "ö" [1]=> int(10) } } } string(2) ""
Output for 4.3.0 - 4.3.2
Warning: Wrong value for parameter 4 in call to preg_match_all() in /in/aesao on line 4 NULL string(2) ""

preferences:
230.27 ms | 401 KiB | 311 Q