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<?php $array=[ (object)[ 'pId'=>6590153, 'prId'=>5371, 'expirationDate'=>'2018-07-10 23:59:59', 'creationDate'=>'2018-01-10 11:58:29', 'pkid'=>12345, 'parentObj'=>(object)[ 'id'=>654250, 'userID'=>'776134', 'pkid'=>12345 ], 'ur'=>5899, 'overAgeRate'=>'1.00' ], (object)[ 'pId'=>6590154, 'prId'=>5371, 'expirationDate'=>'2018-07-10 23:59:59', 'creationDate'=>'2018-01-10 11:58:29', 'pkid'=>12346, 'parentObj'=>(object)[ 'id'=>654250, 'userID'=>'776134', 'pkid'=>12346 ], 'ur'=>58, 'overAgeRate'=>'1.00' ], (object)[ 'pId'=>6590155, 'prId'=>5372, 'expirationDate'=>'2018-07-10 23:59:59', 'creationDate'=>'2018-01-10 11:58:29', 'pkid'=>12347, 'parentObj'=>(object)[ 'id'=>654251, 'userID'=>'776135', 'pkid'=>12347 ], 'ur'=>587, 'overAgeRate'=>'1.00' ] ]; $pkid='12346'; foreach($array as $k=>$v){ if($v->pkid== $pkid){ // found the needle unset($array[$k]); // remove object from array array_unshift($array,$v); // reinsert it at the front (reindex keys) break; // no reason to continue iterating } } var_export($array);

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