Online PHP editor | refs for 3vCFe

<?php $data=array(array('name'=>'ahmed','job'=>'engineer','age'=>25,'hobbies'=>array('drawing','swimming','reading'),'skills'=>array('coding','fasting learning','teaching')),array('name'=>'Sara','job'=>'designer','age'=>19,'skills'=>array('fast learning')),array('name'=>'Ali','age'=>25,'city'=>'cairo'),array('name'=>'Hossam','job'=>'accountant','age'=>25,'city'=>'zagazig'),array('name'=>'Esraa','job'=>'Designer','age'=>23,'city'=>'zagazig','hobbies'=>array('writing','reading'),'skills'=>array('coding','teaching')),); $search_string = 'reading'; $criteria = 'hobbies'; $results = array_filter($data, function($e) use ($search_string, $criteria) { return ( !empty($e[$criteria]) && (!is_array($e[$criteria]) ? (strpos($e[$criteria], $search_string) !== false) : (in_array($search_string, $e[$criteria])) ) ); }); if(!empty($results)) { echo 'Number of results: ' , count($results), PHP_EOL, ' Result ', PHP_EOL; foreach($results as $r) { echo " Name: {$r['name']} Job: {$r['job']} Age: {$r['age']} ", PHP_EOL; echo !empty($r['hobbies']) ? PHP_EOL . 'Hobbies: ' . PHP_EOL . implode(PHP_EOL, $r['hobbies']) : ''; } }