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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
// Image SEO: Auto-generate alt/title/caption on upload, bulk edit
add_filter('wp_generate_attachment_metadata', 'clarity_seo_auto_image_alt', 10, 2);
function clarity_seo_auto_image_alt($metadata, $attachment_id) {
if (get_option('clarity_seo_auto_image_alt', 'off') === 'on') {
$attachment = get_post($attachment_id);
if ($attachment && empty($attachment->post_title)) {
// Simple auto: Use filename sans extension
$title = pathinfo(get_attached_file($attachment_id), PATHINFO_FILENAME);
$title = str_replace(['-', '_'], ' ', $title);
wp_update_post(['ID' => $attachment_id, 'post_title' => ucwords($title), 'post_excerpt' => ucwords($title), 'post_content' => ucwords($title)]);
update_post_meta($attachment_id, '_wp_attachment_image_alt', ucwords($title));
}
}
return $metadata;
}
// Bulk find/replace alt in settings (add to settings.php if needed, but for now hook)
add_action('admin_init', function() {
if (isset($_POST['clarity_seo_bulk_image_replace']) && current_user_can('manage_options')) {
check_admin_referer('clarity_seo_settings_nonce');
if (isset($_POST['find']) && isset($_POST['replace'])) {
$find = sanitize_text_field(wp_unslash($_POST['find']));
$replace = sanitize_text_field(wp_unslash($_POST['replace']));
$attachments = get_posts(['post_type' => 'attachment', 'numberposts' => -1]);
foreach ($attachments as $attach) {
$alt = get_post_meta($attach->ID, '_wp_attachment_image_alt', true);
if (strpos($alt, $find) !== false) {
update_post_meta($attach->ID, '_wp_attachment_image_alt', str_replace($find, $replace, $alt));
}
}
}
}
});
?>