3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '43_this_2 is test'; preg_match('/(?P<test>\w+)/', $string, $matches); // basic syntax var_dump($matches['test']); preg_match('/(?<test>.+)/', $string, $matches); // alternative var_dump($matches['test']); preg_match("/(?'test'.+)/", $string, $matches); // alternative var_dump($matches['test']); echo preg_replace('/\{(\w+)\}/', '(?<\1>\w+)', '/users/{user}/photos/{photo}');
Output for 7.1.25 - 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
string(9) "43_this_2" string(17) "43_this_2 is test" string(17) "43_this_2 is test" /users/(?<user>\w+)/photos/(?<photo>\w+)
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 string(9) "43_this_2" string(17) "43_this_2 is test" string(17) "43_this_2 is test" /users/(?<user>\w+)/photos/(?<photo>\w+)

preferences:
187.2 ms | 402 KiB | 182 Q