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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 |
---|---|
197 | * 3. The plugin basename minus the file extension. |
198 | * |
199 | * Together, the three parts form the $page_hook. Citing the example above, |
200 | * the hook name used would be 'load-settings_page_pluginbasename'. |
201 | * |
202 | * @see get_plugin_page_hook() |
203 | * |
204 | * @since 2.1.0 |
205 | */ |
206 | do_action( 'load-' . $page_hook ); |
207 | if (! isset($_GET['noheader'])) |
208 | require_once(ABSPATH . 'wp-admin/admin-header.php'); |
209 |
|
210 | /** |
211 | * Used to call the registered callback for a plugin screen. |
212 | * |
213 | * @access private |
214 | * |
215 | * @since 1.5.0 |