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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 |
|---|---|
| 1117 | 'url' => apply_filters( 'dashboard_secondary_feed', __( 'https://planet.wordpress.org/feed/' ) ), |
| 1118 | |
| 1119 | /** |
| 1120 | * Filter the secondary link title for the 'WordPress News' dashboard widget. |
| 1121 | * |
| 1122 | * @since 2.3.0 |
| 1123 | * |
| 1124 | * @param string $title Title attribute for the widget's secondary link. |
| 1125 | */ |
| 1126 | 'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ), |
| 1127 | |
| 1128 | /** |
| 1129 | * Filter the number of secondary link items for the 'WordPress News' dashboard widget. |
| 1130 | * |
| 1131 | * @since 4.4.0 |
| 1132 | * |
| 1133 | * @param string $items How many items to show in the secondary feed. |
| 1134 | */ |
| 1135 | 'items' => apply_filters( 'dashboard_secondary_items', 3 ), |