February 11, 2011 
Definition:
function do_shortcode($content) {}
Search content for shortcodes and filter shortcodes through their hooks.
If there are no shortcode tags defined, then the content will be returned without any filtering. This might cause issues when plugins are disabled but the shortcode will still show up in the post or content.
Parameters
- string $content: Content to search for shortcodes
Return values
returns:Content with shortcodes filtered out.
Source code
function do_shortcode($content) {
global $shortcode_tags;
if (empty($shortcode_tags) || !is_array($shortcode_tags))
return $content;
$pattern = get_shortcode_regex();
return preg_replace_callback( "/$pattern/s", 'do_shortcode_tag', $content );
}
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