has_filter()
Function: Checks if any filter has been registered for a hook.
Source: wp-includes/plugin.php:281
current_filter()
Function: Retrieves the name of the current filter hook.
Source: wp-includes/plugin.php:364
add_option_{$option}
Action Hook: Fires after a specific option has been added.
Source: wp-includes/option.php:714
is_page_template()
Function: Determines whether the current post uses a page template.
Source: wp-includes/post-template.php:1825
wp_get_attachment_link()
Function: Retrieves an attachment page link using an image or icon, if possible.
Source: wp-includes/post-template.php:1632
WP_Rewrite::page_uri_index()
Method: Retrieves all pages and attachments for pages URIs.
Source: wp-includes/class-wp-rewrite.php:427
WP_Rewrite::get_extra_permastruct()
Method: Retrieves an extra permalink structure by name.
Source: wp-includes/class-wp-rewrite.php:642
WP_Rewrite::add_permastruct()
Method: Adds a new permalink structure.
Source: wp-includes/class-wp-rewrite.php:1797
clean_page_cache
Action Hook: Fires immediately after the given page’s cache is cleaned.
Source: wp-includes/post.php:7062
clean_post_cache
Action Hook: Fires immediately after the given post’s cache is cleaned.
Source: wp-includes/post.php:7050