private static function FilterOEmbed::oembed_parse_attr in oEmbed 8

Retrieve all attributes from the shortcodes tag.

Parameters

string $text:

Return value

array List of attributes and their value.

See also

shortcode_parse_atts in WordPress 3.1.3.

1 call to FilterOEmbed::oembed_parse_attr()

FilterOEmbed::oembed_preg_tag_replace in src/Plugin/Filter/FilterOEmbed.php

PREG replace callback finds [embed] shortcodes, URLs and request options.

File

src/Plugin/Filter/FilterOEmbed.php, line 176

Contains \Drupal\filter\Plugin\Filter\FilterOEmbed.

Class

FilterOEmbed

Provides a fallback placeholder filter to use for missing filters.

Namespace

Drupal\oembed\Plugin\Filter

Code

private static function oembed_parse_attr($text) {
  $attributes = array();
  $pattern = '/([\\w-]+)\\s*=\\s*"([^"]*)"(?:\\s|$)|([\\w-]+)\\s*=\\s*\'([^\']*)\'(?:\\s|$)|([\\w-]+)\\s*=\\s*([^\\s\'"]+)(?:\\s|$)|"([^"]*)"(?:\\s|$)|(\\S+)(?:\\s|$)/';
  $text = preg_replace("/[\\x{00a0}\\x{200b}]+/u", " ", $text);
  if (preg_match_all($pattern, $text, $matches, PREG_SET_ORDER)) {
    foreach ($matches as $match) {
      if (!empty($match[1])) {
        $attributes[strtolower($match[1])] = stripcslashes($match[2]);
      }
      elseif (!empty($match[3])) {
        $attributes[strtolower($match[3])] = stripcslashes($match[4]);
      }
      elseif (!empty($match[5])) {
        $attributes[strtolower($match[5])] = stripcslashes($match[6]);
      }
      elseif (isset($match[7]) && strlen($match[7])) {
        $attributes[] = stripcslashes($match[7]);
      }
      elseif (isset($match[8])) {
        $attributes[] = stripcslashes($match[8]);
      }
    }

    // Reject any unclosed HTML elements
    foreach ($attributes as &$value) {
      if (false !== strpos($value, '<')) {
        if (1 !== preg_match('/^[^<]*+(?:<[^>]*+>[^<]*+)*+$/', $value)) {
          $value = '';
        }
      }
    }
  }
  else {
    $attributes = ltrim($text);
  }
  return $attributes;
}