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<?php $words = rtrim('php, codes, php, script, php, chat.',"."); $exploded = explode(", ",$words); $arrCount = array_count_values($exploded); var_dump($arrCount);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { ["php"]=> int(3) ["codes"]=> int(1) ["script"]=> int(1) ["chat"]=> int(1) }

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