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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 |
|---|---|
| 30 | if ( 'search' == $tab ) |
| 31 | $tabs['search'] = __( 'Search Results' ); |
| 32 | $tabs['upload'] = __( 'Upload' ); |
| 33 | $tabs['featured'] = _x( 'Featured','Plugin Installer' ); |
| 34 | $tabs['popular'] = _x( 'Popular','Plugin Installer' ); |
| 35 | $tabs['new'] = _x( 'Newest','Plugin Installer' ); |
| 36 | |
| 37 | $nonmenu_tabs = array( 'plugin-information' ); //Valid actions to perform which do not have a Menu item. |
| 38 | |
| 39 | $tabs = apply_filters( 'install_plugins_tabs', $tabs ); |
| 40 | $nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs ); |
| 41 | |
| 42 | // If a non-valid menu tab has been selected, And its not a non-menu action. |
| 43 | if ( empty( $tab ) || ( !isset( $tabs[ $tab ] ) && !in_array( $tab, (array) $nonmenu_tabs ) ) ) |
| 44 | $tab = key( $tabs ); |
| 45 | |
| 46 | $args = array( 'page' => $paged, 'per_page' => $per_page ); |
| 47 | |
| 48 | switch ( $tab ) { |