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<?php $string = <<<POST wow, that film was #hilarious I #love turtles #YouTube has funny videos that I #love <3 POST; preg_match_all('/#(\w+)\b/', $string, $matches); var_dump(array_count_values($matches[1]));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["hilarious"]=> int(1) ["love"]=> int(2) ["YouTube"]=> int(1) }

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