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<?php $array1 = array('test1' => 1, 'test2' => 2,'test3' => 3,'test4' => 4,'test5' => 5,'test6' => 6,'test7' => 7,'test8' => 8); $originalArray = $array1; $array2 = array('a','b','c','d','e','f','g'); /* $n = count($array1); for($x = 0; $x < $n; $x++) { array_splice($array1, 1, -$x); print_r ($array1); $array1 = $originalArray; } */ $result = array_splice($array1, -3, 2, $array2); print_r ($array1); print_r($result);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [test1] => 1 [test2] => 2 [test3] => 3 [test4] => 4 [test5] => 5 [0] => a [1] => b [2] => c [3] => d [4] => e [5] => f [6] => g [test8] => 8 ) Array ( [test6] => 6 [test7] => 7 )

preferences:
238.47 ms | 406 KiB | 358 Q