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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 |
|---|---|
| 133 | $tabs = apply_filters( 'install_plugins_tabs', $tabs ); |
| 134 | |
| 135 | /** |
| 136 | * Filters tabs not associated with a menu item on the Add Plugins screen. |
| 137 | * |
| 138 | * @since 2.7.0 |
| 139 | * |
| 140 | * @param string[] $nonmenu_tabs The tabs that don't have a menu item on the Add Plugins screen. |
| 141 | */ |
| 142 | $nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs ); |
| 143 | |
| 144 | // If a non-valid menu tab has been selected, And it's not a non-menu action. |
| 145 | if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs, true ) ) ) { |
| 146 | $tab = key( $tabs ); |
| 147 | } |
| 148 | |
| 149 | $installed_plugins = $this->get_installed_plugins(); |
| 150 | |
| 151 | $args = array( |