You can try this example:
PHP Code:
<?php
//Example Array A
$ArrayA[] = "Morgan";
$ArrayA[] = "Mintzberg";
$ArrayA[] = "Maslow";
//Example Array B
$ArrayB[] = "Schuhmacher";
$ArrayB[] = "Schonberger";
$ArrayB[] = "Schein";
//Example Array C
$ArrayC[] = "Imai";
$ArrayC[] = "Ishikawa";
$ArrayC[] = "Jacobs";
//Use function "array_merge_recursive()"
$MergedArray = array_merge_recursive($ArrayA,$ArrayB,$ArrayC);
//Testing
var_dump($MergedArray);
?>
Good luck!