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<?php declare(strict_types = 1); preg_match_all('/(ERR)?.+/', 'abc', $results, PREG_SET_ORDER); var_dump($results); preg_match_all('/(ERR)?(.+)/', 'abc', $results, PREG_SET_ORDER); var_dump($results);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> array(1) { [0]=> string(3) "abc" } } array(1) { [0]=> array(3) { [0]=> string(3) "abc" [1]=> string(0) "" [2]=> string(3) "abc" } }

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