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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 |
|---|---|
| 65 | |
| 66 | /** |
| 67 | * Filter tabs not associated with a menu item on the Install Themes screen. |
| 68 | * |
| 69 | * @since 2.8.0 |
| 70 | * |
| 71 | * @param array $nonmenu_tabs The tabs that don't have a menu item on |
| 72 | * the Install Themes screen. |
| 73 | */ |
| 74 | $nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs ); |
| 75 | |
| 76 | // If a non-valid menu tab has been selected, And it's not a non-menu action. |
| 77 | if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs ) ) ) |
| 78 | $tab = key( $tabs ); |
| 79 | |
| 80 | $args = array( 'page' => $paged, 'per_page' => $per_page, 'fields' => $theme_field_defaults ); |
| 81 | |
| 82 | switch ( $tab ) { |
| 83 | case 'search': |