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run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/(?>[A-Za-z]+)::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m); preg_match('/([A-Za-z]++)::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m);
based on 0P35Y
Output for 4.3.0 - 7.1.0
array(2) { [0]=> string(8) "Foo::Bar" [1]=> string(3) "Bar" } array(3) { [0]=> string(8) "Foo::Bar" [1]=> string(3) "Foo" [2]=> string(3) "Bar" }