- array_merge: documentation ( source)
<?php
//Enter your code here, enjoy!
$array = array();
$array[] = array("foo" => 111, "bar" => 444);
$array[] = array("foo" => 222, "bar" => 555);
$array[] = array("foo" => 333, "bar" => 777);
$array2 = array();
$array2[] = array('foobar' => 888, 'barfoo'=>999);
$array2[] = array('barfoo' => 999, 'barfoo'=>1010);
$array2[] = array('barfoo' => 1111, 'barfoo'=>1212);
foreach( $array as $key=>$value){
echo $key."\t=>\t".$value['foo']."..."."\n";
}
$array = array_merge($array, $array2);
//echo var_dump($array);