3v4l.org

run code in 300+ PHP versions simultaneously
<?php $log_ret_val = Array ( "0" => Array ( "0" => Array ( "TestingLogDevice" => Array ( "Siteid" => "Mirpur_CO" ) ) , "1" => Array ( "TestingLogDevice" => Array ( "Siteid" => "Mirpur_CO" ) ) , ) , "1" => Array ( "0" => Array ( "TestingLogDevice" => Array ( "Tempin" => 29 ) ) , "1" => Array ( "TestingLogDevice" => Array ( "Tempin" => 29 ) ) , ) , "2" => Array ( "0" => Array ( "TestingLogDevice" => Array ( "Date_time" => "18.11.2017 11:03:33" ) ) , "1" => Array ( "TestingLogDevice" => Array ( "Date_time" => "18.11.2017 11:00:31" ) ) ) ); $log_val = array(); foreach ($log_ret_val as $key => $value) { foreach ($value as $key1 => $value1) { if(isset($log_val[$key1])) $log_val[$key1] = array_merge_recursive($log_val[$key1],$value1); else $log_val[$key1] = array_merge_recursive($value1); } } print_r($log_val);

preferences:
24.68 ms | 405 KiB | 5 Q