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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 |
|---|---|
| 189 | /** |
| 190 | * Fires when adding content to the welcome panel on the admin dashboard. |
| 191 | * |
| 192 | * To remove the default welcome panel, use remove_action(): |
| 193 | * |
| 194 | * remove_action( 'welcome_panel', 'wp_welcome_panel' ); |
| 195 | * |
| 196 | * @since 3.5.0 |
| 197 | */ |
| 198 | do_action( 'welcome_panel' ); |
| 199 | ?> |
| 200 | </div> |
| 201 | <?php endif; ?> |
| 202 | |
| 203 | <div id="dashboard-widgets-wrap"> |
| 204 | <?php wp_dashboard(); ?> |
| 205 | </div><!-- dashboard-widgets-wrap --> |
| 206 | |
| 207 | </div><!-- wrap --> |