/**
* parse_anchor()
*
* @param array $match
* @return array $anchor
**/
function parse_anchor($match)
{
$anchor = array();
$anchor['attr'] = anchor_utils::shortcode_parse_atts($match[1]);
if (!is_array($anchor['attr']) || empty($anchor['attr']['href']) || $anchor['attr']['href'] != (function_exists('esc_url') ? esc_url($anchor['attr']['href'], null, 'db') : clean_url($anchor['attr']['href'], null, 'db'))) {
# likely a script
return false;
}
foreach (array('class', 'rel') as $attr) {
if (!isset($anchor['attr'][$attr])) {
$anchor['attr'][$attr] = array();
} else {
$anchor['attr'][$attr] = explode(' ', $anchor['attr'][$attr]);
$anchor['attr'][$attr] = array_map('trim', $anchor['attr'][$attr]);
}
}
$anchor['body'] = $match[2];
$anchor['attr']['href'] = @html_entity_decode($anchor['attr']['href'], ENT_COMPAT, get_option('blog_charset'));
return $anchor;
}
/**
* filter_callback()
*
* @param array $match
* @return string $str
**/
function filter_callback($match)
{
# skip empty anchors
if (!trim($match[2])) {
return $match[0];
}
# parse anchor
$anchor = anchor_utils::parse_anchor($match);
if (!$anchor) {
return $match[0];
}
# filter anchor
$anchor = apply_filters('filter_anchor', $anchor);
# return anchor
return anchor_utils::build_anchor($anchor);
}
