array_combine results only one result [duplicate] - php

Question

This question already has answers here:
array_combine is return only last value
(2 answers)
Closed 3 years ago.
I am using the following code to get two arrays into one json result. But getting only the first index as result. Is there any error in the code or anybody can suggest an alternate method to get the same result.
$array1 = $_POST['array1'];
$array2 = $_POST['array2'];
$jsonArray = array();
foreach (array_combine( $array1, $array2 ) as $name => $value) {
$jsonArray[] = array('name' => $name, 'value' => $value);
}
echo $json = json_encode($jsonArray);
$_POST['array1'] = array(4) {
[0]=>
string(3) "day1"
[1]=>
string(3) "day2"
[2]=>
string(3) "day3"
[3]=>
string(3) "day4"
}
$_POST['array2'] = array(4) {
[0]=>
string(3) "item1"
[1]=>
string(3) "item2"
[2]=>
string(3) "item3"
[3]=>
string(3) "item4"
}
Expected result should be like
[{"name":"day1","value":"item1"},{"name":"day2","value":"item2"},{"name":"day3","value":"item3"}]

Answer 1

Try this,
$arr1 = array('0' => 'day1', '1' => 'day2', '2' => 'day3', '3' => 'day4');
echo'<pre>';print_r($arr1);
$arr2 = array('0' => 'item1','1' => 'item2','2' => 'item3','3' => 'item4');
echo'<pre>';print_r($arr2);
echo'<pre>';print_r(array_combine($arr1, $arr2));
$newArray = array();
foreach(array_combine($arr1, $arr2) as $key => $value){
array_push($newArray, array('name'=> $key,'value'=>$value));
}
echo'<pre>';print_r($newArray);
echo json_encode($newArray);die;