add key in associative array php code example
Example 1: php add to associative array
// for php 5.4+
$data += [$key => $value];
// for php 5.4-
$data += array($key => $value);
Example 2: php add new item to associative array
$a = array('foo' => 'bar'); // when you create
$a['Title'] = 'blah'; // later
Example 3: php array push key value
<?php
$image[0] = $image[0].','.$filename;
?>