doing_action()
Function: Returns whether or not an action hook is currently being processed.
Source: wp-includes/plugin.php:661
add_filter()
Function: Adds a callback function to a filter hook.
Source: wp-includes/plugin.php:121
has_filter()
Function: Checks if any filter has been registered for a hook.
Source: wp-includes/plugin.php:281
apply_filters()
Function: Calls the callback functions that have been added to a filter hook.
Source: wp-includes/plugin.php:173
apply_filters_ref_array()
Function: Calls the callback functions that have been added to a filter hook, specifying arguments in an array.
Source: wp-includes/plugin.php:228
remove_filter()
Function: Removes a callback function from a filter hook.
Source: wp-includes/plugin.php:313
remove_all_filters()
Function: Removes all of the callback functions from a filter hook.
Source: wp-includes/plugin.php:341
current_filter()
Function: Retrieves the name of the current filter hook.
Source: wp-includes/plugin.php:364
current_action()
Function: Retrieves the name of the current action hook.
Source: wp-includes/plugin.php:637
doing_filter()
Function: Returns whether or not a filter hook is currently being processed.
Source: wp-includes/plugin.php:391