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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Executes the callback functions hooked on a specific action hook. |
| 303 | * |
| 304 | * @since 4.7.0 |
| 305 | * |
| 306 | * @param mixed $args Arguments to pass to the hook callbacks. |
| 307 | */ |
| 308 | public function do_action( $args ) { |
| 309 | $this->doing_action = true; |
| 310 | $this->apply_filters( '', $args ); |
| 311 | |
| 312 | // If there are recursive calls to the current action, we haven't finished it until we get to the last one. |
| 313 | if ( ! $this->nesting_level ) { |
| 314 | $this->doing_action = false; |
| 315 | } |
| 316 | } |
| 317 | |