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<?php preg_match('/a+?(*PRUNE:MARK_TEST)b/', 'aab', $matches); print_r($matches);
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
Array ( [0] => ab [MARK] => MARK_TEST )
Output for 5.3.4 - 5.5.35, hhvm-3.10.0 - 3.12.0
Array ( [0] => ab )
Output for 5.2.5 - 5.3.3
Warning: preg_match(): Compilation failed: (*VERB) with an argument is not supported at offset 10 in /in/nSrJC on line 2
Output for 5.2.0 - 5.2.4
Warning: preg_match(): Compilation failed: nothing to repeat at offset 4 in /in/nSrJC on line 2
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.1.6
Warning: preg_match(): Compilation failed: nothing to repeat at offset 4 in /in/nSrJC on line 2 Array ( )
Output for 4.4.9
Warning: preg_match(): Compilation failed: (*VERB) with an argument is not supported at offset 10 in /in/nSrJC on line 2 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 4 in /in/nSrJC on line 2 Array ( )