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Bugs & Features
<?php $array1 = array(array(77, 87), array(23, 45)); $array2 = array("w3resource", "com"); function merge_arrays_by_index($x, $y) { $temp = array(); $temp[] = $x; echo "First array"; var_dump($temp); if(is_scalar($y)) { $temp[] = $y; } else { foreach($y as $k => $v) { $temp[] = $v; } } return $temp; } echo '<pre>'; print_r(array_map('merge_arrays_by_index',$array2, $array1)); ?>
Output for 4.3.0 - 7.2.0
<pre>First arrayarray(1) { [0]=> string(10) "w3resource" } First arrayarray(1) { [0]=> string(3) "com" } Array ( [0] => Array ( [0] => w3resource [1] => 77 [2] => 87 ) [1] => Array ( [0] => com [1] => 23 [2] => 45 ) )