- print_r: documentation ( source)
<?php
$_POST = [
'image_caption' => null,
'image_ownership' => 1,
'nonce' => '1549923767|954046e4f33b599b910e2677b5937c1e'
];
print_r($_POST);
$post = $_POST ?? [];
print_r($post);
$post['max_upload_size'] = 10; // We set this so ...
print_r($post);