how to connect arrays in php code example

Example 1: php array_merge

<?php
$array1 = array("color" => "red", 2, 4);
$array2 = array("a", "b", "color" => "green", "shape" => "trapezoid", 4);
$result = array_merge($array1, $array2);
print_r($result);
?>
Array
(
    [color] => green
    [0] => 2
    [1] => 4
    [2] => a
    [3] => b
    [shape] => trapezoid
    [4] => 4
)

Example 2: merge three array in php

$array1 = Array
(
    '05/01',
    '05/02'
);

    $array2 = Array
(
    'ED',
    'P'
);

$array3 =Array
(
    'Mon',
    'Tue'
);
$result_array = array();
foreach ($array1 as $key=>$val)
{
    $result_array[$key] = array($array1[$key],$array2[$key],$array3[$key]);
}
echo "<PRE>"; print_r($result_array);