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<?php |
<?php |
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// $Id: nodewords.module,v 1.66.2.26 2009/11/09 10:10:14 kiam Exp $ |
// $Id: nodewords.module,v 1.66.2.27 2009/11/09 11:20:04 kiam Exp $ |
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/** |
/** |
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* @file |
* @file |
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/** |
/** |
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* Create the content of a meta tag from a node teaser. |
* Create the content of a meta tag from a node teaser. |
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* |
* |
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* @param $body |
* @param $text |
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* The node body. |
* The string to use. |
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* @param $format |
* @param $format |
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* The format set for the node. |
* The format set for the node. |
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* @param $alt_attribute |
* @param $options |
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* If TRUE, any tag img will be replaced with its attribute alt. |
* An array of options. The currently defined are: |
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* @param $size |
* 'alt_attribute' |
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* The maximum allowed size; if it is zero, then the function will use the |
If TRUE, any tag img will be replaced with its attribute alt. |
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* value of the Drupal variable nodewords_max_size. |
* size' |
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|
* The maximum allowed size; if it is zero, then the function will use |
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|
the value of the Drupal variable "nodewords_max_size". |
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* |
* |
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* @return |
* @return |
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* The string to use to populate the meta tag. |
* The string to use to populate the meta tag. |
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*/ |
*/ |
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function nodewords_metatag_from_teaser($body, $format, $alt_attribute, $size = 0) { |
function nodewords_metatag_from_teaser($text, $format, $options = array()) { |
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if (!$size) { |
$default_options = array( |
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$size = variable_get('nodewords_max_size', 350); |
'alt_attribute' => FALSE, |
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} |
'size' => variable_get('nodewords_max_size', 350), |
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|
); |
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|
$options += $default_options; |
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|
|
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// We check for the presence of the PHP evaluator filter in the current |
// We check for the presence of the PHP evaluator filter in the current |
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// format. If the body contains PHP code, we do not split it up to prevent |
// format. If the body contains PHP code, we do not split it up to prevent |
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// parse errors. |
// parse errors. |
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if (isset($format)) { |
if (isset($format)) { |
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$filters = filter_list_format($format); |
$filters = filter_list_format($format); |
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if (isset($filters['php/0']) && strpos($body, '<?') !== FALSE) { |
if (isset($filters['php/0']) && strpos($text, '<?') !== FALSE) { |
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return ''; |
return ''; |
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} |
} |
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} |
} |
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|
|
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|
// Remove the string added from Image Assist. |
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|
$text = preg_replace('/\[img_assist.*\]/i', '', $text); |
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|
|
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// Initialize the helper function used for preg_replace_callback. |
// Initialize the helper function used for preg_replace_callback. |
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_nodewords_teaser_match_callback($alt_attribute, TRUE); |
_nodewords_teaser_match_callback($alt_attribute, TRUE); |
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|
|
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// Replace the meta tag img with the attribute alt, and strip off all the |
// Replace the meta tag img with the attribute alt, and strip off all the |
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// HTML tags. |
// HTML tags. |
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$body = strip_tags( |
$text = strip_tags( |
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preg_replace_callback('/<img\s[^>]*alt=["\']([^"\']*)["\'][^>]*>/i', |
preg_replace_callback('/<img\s[^>]*alt=["\']([^"\']*)["\'][^>]*>/i', |
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'_nodewords_teaser_match_callback', |
'_nodewords_teaser_match_callback', |
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$body |
$text |
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) |
) |
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); |
); |
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|
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// Truncate the string at last space within the given size. |
// Truncate the string at last space within the given size. |
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return truncate_utf8($body, $size, TRUE); |
return truncate_utf8($text, $size, TRUE); |
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} |
} |
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/** |
/** |
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