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<?php $a = array(); echo preg_match_all( "/world/", "Hello, world! yes i just said world", $a, PREG_OFFSET_CAPTURE ); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
2array(1) { [0]=> array(2) { [0]=> array(2) { [0]=> string(5) "world" [1]=> int(7) } [1]=> array(2) { [0]=> string(5) "world" [1]=> int(30) } } }

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