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<?php function prepareKeywordsForDatabase($string) { $keywords = preg_split('#[\,|\v]#', $string); $keywords = array_map('trim', $keywords); return implode(', ', $keywords); } echo prepareKeywordsForDatabase('ciao, come , , , , va ?!! !!');
Output for git.master, git.master_jit, rfc.property-hooks
ciao, , , come, , , , va ?!!, , !!

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