function _shortcode_process_tag in Shortcode 7.2

Same name and namespace in other branches

1. 6 shortcode.module \_shortcode_process_tag()
2. 7 shortcode.module \_shortcode_process_tag()

Regular Expression callable for do_shortcode() for calling ShortCode hook.

See for details of the match array contents.

Parameters

array $m: Regular expression match array.

object $filter: The input format filter object.

Return value

mixed False on failure.

1 call to _shortcode_process_tag()

_shortcode_process in ./shortcode.module

Processes the ShortCodes according to the text and the text format.

File

./shortcode.module, line 336

Provides ShortCodes filter framework and API (like WP ShortCodes)

Code

function _shortcode_process_tag(array $m, $filter) {

  // Get tags from the static cache.
  $shortcodes = _shortcode_get_shortcodes($filter);
  $tag = $m[2];
  if (!empty($shortcodes[$tag])) {

    // Process if tag exists (enabled).
    $attr = _shortcode_parse_attrs($m[3]);

    /*
     * @codingStandardsIgnoreStart
     * 0 - the full tag text?
     * 1/5 - An extra [ or ] to allow for escaping ShortCodes with double [[]]
     * 2 - The ShortCode name
     * 3 - The ShortCode argument list
     * 4 - The content of a ShortCode when it wraps some content.
     * @codingStandardsIgnoreEnd
     */
    if (!is_null($m[4])) {

      // This is an enclosing tag, means extra parameter is present.
      if (is_string($shortcodes[$tag]['function']) && function_exists($shortcodes[$tag]['function'])) {
        return $m[1] . call_user_func($shortcodes[$tag]['function'], $attr, $m[4], $m[2]) . $m[5];
      }
      return $m[1] . $m[5];
    }
    else {

      // This is a self-closing tag.
      if (is_string($shortcodes[$tag]['function']) && function_exists($shortcodes[$tag]['function'])) {
        return $m[1] . call_user_func($shortcodes[$tag]['function'], $attr, NULL, $m[2]) . $m[5];
      }
      return $m[1] . $m[5];
    }
  }
  elseif (is_null($m[4])) {
    return $m[4];
  }
  return '';
}