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<?php var_dump(preg_match_all("~%(?:(\d+)[$])?[-+]?(?:[ 0]|['].)?(?:[-]?\d+)?(?:[.]\d+)?[%bcdeEufFgGosxX]~", 'The %2$s contains %1$d monkeys', $arguments)); var_dump($arguments);
Output for git.master, git.master_jit, rfc.property-hooks
int(2) array(2) { [0]=> array(2) { [0]=> string(4) "%2$s" [1]=> string(4) "%1$d" } [1]=> array(2) { [0]=> string(1) "2" [1]=> string(1) "1" } }

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