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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 |
|---|---|
| 247 | } |
| 248 | |
| 249 | return $args[0]; |
| 250 | } |
| 251 | |
| 252 | if ( ! isset( $wp_filter['all'] ) ) { |
| 253 | $wp_current_filter[] = $hook_name; |
| 254 | } |
| 255 | |
| 256 | $filtered = $wp_filter[ $hook_name ]->apply_filters( $args[0], $args ); |
| 257 | |
| 258 | array_pop( $wp_current_filter ); |
| 259 | |
| 260 | return $filtered; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Checks if any filter has been registered for a hook. |
| 265 | * |