has_post_thumbnail()
Function: Determines whether a post has an image attached.
Source: wp-includes/post-thumbnail-template.php:25
get_post_thumbnail_id()
Function: Retrieves the post thumbnail ID.
Source: wp-includes/post-thumbnail-template.php:53
get_the_post_thumbnail()
Function: Retrieves the post thumbnail.
Source: wp-includes/post-thumbnail-template.php:148
get_the_post_thumbnail_url()
Function: Returns the post thumbnail URL.
Source: wp-includes/post-thumbnail-template.php:233
the_post_thumbnail_url()
Function: Displays the post thumbnail URL.
Source: wp-includes/post-thumbnail-template.php:264
get_the_categories
Filter Hook: Filters the array of categories to return for a post.
Source: wp-includes/category-template.php:98
the_category_list
Filter Hook: Filters the categories before building the category list.
Source: wp-includes/category-template.php:158
wp_list_categories()
Function: Displays or retrieves the HTML list of categories.
Source: wp-includes/category-template.php:538
add_site_option()
Function: Adds a new option for the current network.
Source: wp-includes/option.php:1388
expiration_of_site_transient_{$transient}
Filter Hook: Filters the expiration for a site transient before its value is set.
Source: wp-includes/option.php:2080