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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 |
|---|---|
| 27 | $tabs['upload'] = __('Upload'); |
| 28 | $tabs['featured'] = _x('Featured','Plugin Installer'); |
| 29 | $tabs['popular'] = _x('Popular','Plugin Installer'); |
| 30 | $tabs['new'] = _x('Newest','Plugin Installer'); |
| 31 | $tabs['updated'] = _x('Recently Updated','Plugin Installer'); |
| 32 | |
| 33 | $nonmenu_tabs = array('plugin-information'); //Valid actions to perform which do not have a Menu item. |
| 34 | |
| 35 | $tabs = apply_filters('install_plugins_tabs', $tabs ); |
| 36 | $nonmenu_tabs = apply_filters('install_plugins_nonmenu_tabs', $nonmenu_tabs); |
| 37 | |
| 38 | //If a non-valid menu tab has been selected, And its not a non-menu action. |
| 39 | if( empty($tab) || ( ! isset($tabs[ $tab ]) && ! in_array($tab, (array)$nonmenu_tabs) ) ) { |
| 40 | $tab_actions = array_keys($tabs); |
| 41 | $tab = $tab_actions[0]; |
| 42 | } |
| 43 | if( empty($paged) ) |
| 44 | $paged = 1; |
| 45 | |