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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 |
|---|---|
| 121 | /** |
| 122 | * Add content to the welcome panel on the admin dashboard. |
| 123 | * |
| 124 | * To remove the default welcome panel, use remove_action(): |
| 125 | * |
| 126 | * remove_action( 'welcome_panel', 'wp_welcome_panel' ); |
| 127 | * |
| 128 | * @since 3.5.0 |
| 129 | */ |
| 130 | do_action( 'welcome_panel' ); |
| 131 | ?> |
| 132 | </div> |
| 133 | <?php endif; ?> |
| 134 | |
| 135 | <div id="dashboard-widgets-wrap"> |
| 136 | <?php wp_dashboard(); ?> |
| 137 | </div><!-- dashboard-widgets-wrap --> |
| 138 | |
| 139 | </div><!-- wrap --> |