add to array php with key code example

Example 1: php array push with key

<?php
$a=array("a"=>"red","b"=>"green");
array_push($a,"blue","yellow");
print_r($a);
?>

Example 2: php array push with key

// Error : "array_push() expects parameter 1 to be array, null given"
// Don't array_push($array,$arrayValueToPush); 
// Set the array value.
$array["arrayKey"] = $arrayValue;
//----------------------------------------
$newArray = [];
foreach ($arrayItems as $key => $arrayItem) {
  $newArray[$key]["arrayItemKey1"] = $arrayItem["arrayItemKey1FromArrayItem"];
  $newArray[$key]["arrayItemKey2"] = $arrayItem["arrayItemKey2FromArrayItem"];
}

Example 3: add object in array php

$myArray = array("name" => "my name");
echo json_encode($myArray);

Example 4: php add new item to associative array

$a = array('foo' => 'bar'); // when you create
$a['Title'] = 'blah'; // later

Example 5: php array push key value

<?php
$image[0] = $image[0].','.$filename;
?>