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<?php function _grep($results_array, $q) { foreach($results_array as &$row) { $row = explode(',', $row); } unset($row); $results_array = call_user_func_array('array_merge_recursive', $results_array); // HERE IS CHANGED **** $q = preg_split('/\s+/', trim($q)); foreach ($results_array as $key => $value) { foreach ($q as $qeury) { if (stripos($value, $qeury) === false) { unset($results_array[$key]); break; } } } // **** $results_array = array_values($results_array); return $results_array; } $results_array = array( 'php,mysql,jquery,ruby,html,css,lamp', 'mouse,keyboard,laptop,pad', 'table,sofa,caption', 'control,television,control television,television control', ); var_dump(_grep($results_array, 'tele co'));

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38.17 ms | 402 KiB | 5 Q