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Description
Check if any action has been registered for a hook.
Usage
<?php has_action( $tag, $function_to_check ) ?>
Parameters
- $tag
- (string) (required) The name of the action hook.
- Default: None
- $function_to_check
- (callback) (optional) If specified, return the priority of that function on this hook or false if not attached.
- Default: false
Return Values
- (integer|boolean)
- Optionally returns the priority on that hook for the specified function.
Examples
Notes
- See has_filter() has_action is an alias of has_filter().
- Since this action is an alias of has_filter() it also uses the global array $wp_filter that stores all of the filters / actions.
Change Log
Since: 2.5
Source File
has_action() is located in wp-includes/plugin.php.
Related
Action Functions