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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 |
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29 | $tabs['search'] = __('Search Results'); |
30 | $tabs['featured'] = __('Featured'); |
31 | $tabs['popular'] = __('Popular'); |
32 | $tabs['new'] = __('Newest'); |
33 | $tabs['updated'] = __('Recently Updated'); |
34 |
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35 | $nonmenu_tabs = array('install', 'plugin-information', 'upload'); //Valid actions to perform which do not have a Menu item. |
36 |
|
37 | $tabs = apply_filters('install_plugins_tabs', $tabs ); |
38 | $nonmenu_tabs = apply_filters('install_plugins_nonmenu_tabs', $nonmenu_tabs); |
39 |
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40 | //If a non-valid menu tab has been selected, And its not a non-menu action. |
41 | if( empty($tab) || ( ! isset($tabs[ $tab ]) && ! in_array($tab, (array)$nonmenu_tabs) ) ) { |
42 | $tab_actions = array_keys($tabs); |
43 | $tab = $tab_actions[0]; |
44 | } |
45 | if( empty($paged) ) |
46 | $paged = 1; |
47 |
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