t('Alt attributes in ![]()
- tags'),
'description' => t('Checks if all the ![]()
tags in the body have an alt attribute.'),
'threshold type' => 'at_least',
'default threshold' => 100,
'callback' => 'basic_seo_rules_alt_attribute',
'passed feedback' => t('Test passed.'),
'failed feedback' => t('Test failed, please make sure your images contain an alternative text.'),
);
$rules['title_attributes'] = array(
'name' => t('Title attributes in - tags'),
'description' => t('Checks if all the tags have a title attribute.'),
'threshold type' => 'at_least',
'default threshold' => 100,
'callback' => 'basic_seo_rules_title_attribute',
'passed feedback' => t('Test passed.'),
'failed feedback' => t('Test failed, please make sure your links contain a title attribute.'),
);
return $rules;
}
/********************************* CALLBACKS *********************************/
/**
* Implements the alt attribute in ![]()
-tags check.
* @return (int) result
* @param array $form_values
*/
function basic_seo_rules_alt_attribute($form_values) {
if (!preg_match_all('/]+>/i', $form_values['body']['und'][0]['value'], $matches)) {
return 100;
}
$total = 0;
$successful = 0;
foreach ($matches[0] as $image_tag) {
if (preg_match('/alt=(\S{3,})/i', $image_tag)) {
$successful++;
}
$total++;
}
return 100*$successful/$total;
}
/**
* Implements the title attribute in -tags check.
* @return (int) result
* @param array $form_values
*/
function basic_seo_rules_title_attribute($form_values) {
if (!preg_match_all('/]+href[^>]*>/i', $form_values['body']['und'][0]['value'], $matches)) {
return 100;
}
$total = 0;
$successful = 0;
foreach ($matches[0] as $ahref_tag) {
if (preg_match('/title=(\S{3,})/i', $ahref_tag)) {
$successful++;
}
$total++;
}
return 100*$successful/$total;
}