- unserialize: documentation ( source)
- print_r: documentation ( source)
<?php
$str = 'a:7:{s:4:"size";s:4:"tiny";s:11:"folder_name";s:11:"user_images";s:13:"create_folder";s:2:"No";s:19:"permitted_file_type";s:16:"gif,png,jpg,jpeg";s:13:"max_file_size";s:4:"2048";s:24:"open_link_with_fancy_box";s:2:"No";s:14:"field_comments";s:0:"";}';
print_r(unserialize($str));