function _nodewords_check_content in Nodewords: D6 Meta Tags 5
Remove any content from the $tag that is not allowed in a meta content attribute.
1 string reference to '_nodewords_check_content'
- _nodewords_prepare in ./
nodewords.module - Prepare the tags so they are ready for output. This includes:
File
- ./
nodewords.module, line 873 - Assign META tags to nodes, vocabularies, terms and pages.
Code
function _nodewords_check_content($text) {
$settings = _nodewords_get_settings();
$size = $settings['max_size'];
if (function_exists('preg_replace')) {
$pattern = '/<img\\s[^>]*alt=["\']([^"\']*)["\'][^>]*>/i';
$replacement = '${1}';
$text = preg_replace($pattern, $replacement, $text);
}
$text = strip_tags($text);
$text = check_plain($text);
$needles = array(
' ',
"\r",
"\n",
''',
);
$replaces = array(
' ',
' ',
' ',
"'",
);
$text = str_replace($needles, $replaces, $text);
$text = trim($text);
$text = preg_replace('/\\s+/', ' ', $text);
if ($size > 0 && drupal_strlen($text) > $size) {
$text = truncate_utf8($text, $size);
$length = strrpos($text, ' ');
//TODO: is this UTF safe?
if (!is_bool($length)) {
$text = substr($text, 0, $length);
//TODO: is this UTF safe?
}
}
// Do not index pager pages
if (isset($_GET['page']) && is_numeric($_GET['page'])) {
$text = preg_replace('!^index!', 'noindex', $text);
}
return $text;
}