wp-includes/shortcodes.php:243Searches content for shortcodes and filter shortcodes through their hooks.
$contentstring$ignore_htmlbooloptionalfalsestringfunction do_shortcode( $content, $ignore_html = false ) { global $shortcode_tags; if ( ! str_contains( $content, '[' ) ) { return $content; } if ( empty( $shortcode_tags ) || ! is_array( $shortcode_tags ) ) { return $content; } // Find all registered tag names in $content. preg_match_all( '@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches ); $tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] ); if ( empty( $tagnames ) ) { return $content; } // Ensure this context is only added once if shortcodes are nested. $has_filter = has_filter( 'wp_get_attachment_image_context', '_filter_do_shortcode_context' ); $filter_added = false; if ( ! $has_filter ) { $filter_added = add_filter( 'wp_get_attachment_image_context', '_filter_do_shortcode_context' ); } $content = do_shortcodes_in_html_tags( $content, $ignore_html, $tagnames ); $pattern = get_shortcode_regex( $tagnames ); $content = preg_replace_callback( "/$pattern/", 'do_shortcode_tag', $content ); // Always restore square braces so we don't break things like <!--[if IE ]>. $content = unescape_invalid_shortcodes( $content ); // Only remove the filter if it was added in this scope. if ( $filter_added ) { remove_filter( 'wp_get_attachment_image_context', '_filter_do_shortcode_context' ); } return $content;}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/shortcodes.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.