set_prefilter('thumbnail', 'add_square_option'); function add_square_option($content, $smarty) { $search = '

{\'maximum width\'|@translate}'; $replacement = ' {html_head} {literal} {/literal} {/html_head}

{\'Square Thumbnails\'|@translate}

{\'maximum width\'|@translate}'; return str_replace($search, $replacement, $content); } ?>