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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 |
|---|---|
| 73 | |
| 74 | /** |
| 75 | * Filters tabs not associated with a menu item on the Install Themes screen. |
| 76 | * |
| 77 | * @since 2.8.0 |
| 78 | * |
| 79 | * @param string[] $nonmenu_tabs The tabs that don't have a menu item on |
| 80 | * the Install Themes screen. |
| 81 | */ |
| 82 | $nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs ); |
| 83 | |
| 84 | // If a non-valid menu tab has been selected, And it's not a non-menu action. |
| 85 | if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs, true ) ) ) { |
| 86 | $tab = key( $tabs ); |
| 87 | } |
| 88 | |
| 89 | $args = array( |
| 90 | 'page' => $paged, |
| 91 | 'per_page' => $per_page, |