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run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match_all('`{([^{}]+)}((?<=\()(?>[^()]+|(?2))*(?=\)))`', 'test {22413}(ghfhgfhg(())sd(d)sf) s{1}(l(k)l)dfdsf {5}(45d4fsdf4)', $m); print_r($m);
Output for 5.2.2 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match_all(): Compilation failed: recursive call could loop indefinitely at offset 31 in /in/tmFDo on line 2
Output for hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: recursive call could loop indefinitely at offset 31 in /in/tmFDo on line 2
Output for 4.3.0 - 4.4.5, 5.0.0 - 5.2.1
Array ( [0] => Array ( ) [1] => Array ( ) [2] => Array ( ) )
Output for 4.4.6 - 4.4.9
Warning: preg_match_all(): Compilation failed: recursive call could loop indefinitely at offset 31 in /in/tmFDo on line 2 Array ( )