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<?php $txt = '<div id="5">'; preg_match('`\s+([\w-]+)="([^"]*)"`', $txt, $match); var_dump($match); preg_match('`\s+(?P<key>[\w-]+)="(?P<value>[^"]*)"`', $txt, $match); var_dump($match); preg_match('`\s+(?<key>[\w-]+)="(?<value>[^"]*)"`', $txt, $match); var_dump($match);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> string(7) " id="5"" [1]=> string(2) "id" [2]=> string(1) "5" } array(5) { [0]=> string(7) " id="5"" ["key"]=> string(2) "id" [1]=> string(2) "id" ["value"]=> string(1) "5" [2]=> string(1) "5" } array(5) { [0]=> string(7) " id="5"" ["key"]=> string(2) "id" [1]=> string(2) "id" ["value"]=> string(1) "5" [2]=> string(1) "5" }

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