Automattic /
jetpack
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like Atomic_Admin_Menu often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Atomic_Admin_Menu, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 18 | class Atomic_Admin_Menu extends Admin_Menu { |
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| 19 | |||
| 20 | /** |
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| 21 | * Atomic_Admin_Menu constructor. |
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| 22 | */ |
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| 23 | protected function __construct() { |
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| 24 | parent::__construct(); |
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| 25 | |||
| 26 | add_action( 'wp_enqueue_scripts', array( $this, 'dequeue_scripts' ), 20 ); |
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| 27 | add_action( 'admin_enqueue_scripts', array( $this, 'dequeue_scripts' ), 20 ); |
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| 28 | add_action( 'wp_ajax_sidebar_state', array( $this, 'ajax_sidebar_state' ) ); |
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| 29 | |||
| 30 | if ( ! $this->is_api_request ) { |
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| 31 | add_filter( 'submenu_file', array( $this, 'override_the_theme_installer' ), 10, 2 ); |
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| 32 | } |
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| 33 | |||
| 34 | add_action( |
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| 35 | 'admin_menu', |
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| 36 | function () { |
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| 37 | remove_action( 'admin_menu', 'gutenberg_menu', 9 ); |
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| 38 | }, |
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| 39 | 0 |
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| 40 | ); |
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| 41 | } |
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| 42 | |||
| 43 | /** |
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| 44 | * Dequeues unnecessary scripts. |
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| 45 | */ |
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| 46 | public function dequeue_scripts() { |
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| 47 | wp_dequeue_script( 'a8c_wpcom_masterbar_overrides' ); // Initially loaded in modules/masterbar/masterbar/class-masterbar.php. |
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| 48 | } |
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| 49 | |||
| 50 | /** |
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| 51 | * Determines whether the current locale is right-to-left (RTL). |
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| 52 | * |
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| 53 | * Performs the check against the current locale set on the WordPress.com's account settings. |
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| 54 | * See `Masterbar::__construct` in `modules/masterbar/masterbar/class-masterbar.php`. |
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| 55 | */ |
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| 56 | public function is_rtl() { |
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| 57 | return get_user_option( 'jetpack_wpcom_is_rtl' ); |
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| 58 | } |
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| 59 | |||
| 60 | /** |
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| 61 | * Create the desired menu output. |
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| 62 | */ |
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| 63 | View Code Duplication | public function reregister_menu_items() { |
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| 64 | parent::reregister_menu_items(); |
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| 65 | |||
| 66 | $this->add_my_home_menu(); |
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| 67 | |||
| 68 | // Not needed outside of wp-admin. |
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| 69 | if ( ! $this->is_api_request ) { |
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| 70 | $this->add_browse_sites_link(); |
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| 71 | $this->add_site_card_menu(); |
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| 72 | $this->add_new_site_link(); |
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| 73 | } |
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| 74 | |||
| 75 | ksort( $GLOBALS['menu'] ); |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * Forces Posts menu to WPAdmin for Atomic sites only. |
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| 80 | * Overloads `add_posts_menu` in parent class. |
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| 81 | * |
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| 82 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 83 | */ |
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| 84 | public function add_posts_menu( $wp_admin = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 85 | return false; // return explicit `false` to force WPAdmin links. |
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| 86 | } |
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| 87 | |||
| 88 | /** |
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| 89 | * Forces Pages menu to WPAdmin for Atomic sites only. |
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| 90 | * Overloads `add_page_menu` in parent class. |
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| 91 | * |
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| 92 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 93 | */ |
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| 94 | public function add_page_menu( $wp_admin = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 95 | return false; // return explicit `false` to force WPAdmin links. |
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| 96 | } |
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| 97 | |||
| 98 | /** |
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| 99 | * Adds Plugins menu. |
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| 100 | * |
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| 101 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 102 | */ |
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| 103 | public function add_plugins_menu( $wp_admin = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 104 | // Plugins on Atomic sites are always managed on WP Admin. |
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| 105 | parent::add_plugins_menu( true ); |
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| 106 | } |
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| 107 | |||
| 108 | /** |
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| 109 | * Adds the site switcher link if user has more than one site. |
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| 110 | */ |
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| 111 | public function add_browse_sites_link() { |
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| 112 | $site_count = get_user_option( 'wpcom_site_count' ); |
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| 113 | if ( ! $site_count || $site_count < 2 ) { |
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| 114 | return; |
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| 115 | } |
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| 116 | |||
| 117 | // Add the menu item. |
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| 118 | add_menu_page( __( 'site-switcher', 'jetpack' ), __( 'Browse sites', 'jetpack' ), 'read', 'https://wordpress.com/home', null, 'dashicons-arrow-left-alt2', 0 ); |
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| 119 | add_filter( 'add_menu_classes', array( $this, 'set_browse_sites_link_class' ) ); |
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| 120 | } |
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| 121 | |||
| 122 | /** |
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| 123 | * Adds a custom element class for Site Switcher menu item. |
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| 124 | * |
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| 125 | * @param array $menu Associative array of administration menu items. |
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| 126 | * |
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| 127 | * @return array |
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| 128 | */ |
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| 129 | View Code Duplication | public function set_browse_sites_link_class( array $menu ) { |
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| 130 | foreach ( $menu as $key => $menu_item ) { |
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| 131 | if ( 'site-switcher' !== $menu_item[3] ) { |
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| 132 | continue; |
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| 133 | } |
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| 134 | |||
| 135 | $menu[ $key ][4] = add_cssclass( 'site-switcher', $menu_item[4] ); |
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| 136 | break; |
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| 137 | } |
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| 138 | |||
| 139 | return $menu; |
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| 140 | } |
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| 141 | |||
| 142 | /** |
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| 143 | * Adds a link to the menu to create a new site. |
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| 144 | */ |
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| 145 | public function add_new_site_link() { |
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| 146 | $site_count = get_user_option( 'wpcom_site_count' ); |
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| 147 | if ( $site_count && $site_count > 1 ) { |
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| 148 | return; |
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| 149 | } |
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| 150 | |||
| 151 | $this->add_admin_menu_separator(); |
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| 152 | add_menu_page( __( 'Add New Site', 'jetpack' ), __( 'Add New Site', 'jetpack' ), 'read', 'https://wordpress.com/start?ref=calypso-sidebar', null, 'dashicons-plus-alt' ); |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * Adds site card component. |
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| 157 | */ |
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| 158 | public function add_site_card_menu() { |
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| 188 | |||
| 189 | /** |
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| 190 | * Adds a custom element class and id for Site Card's menu item. |
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| 191 | * |
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| 192 | * @param array $menu Associative array of administration menu items. |
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| 193 | * |
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| 194 | * @return array |
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| 195 | */ |
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| 196 | public function set_site_card_menu_class( array $menu ) { |
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| 216 | |||
| 217 | /** |
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| 218 | * Adds Upgrades menu. |
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| 219 | * |
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| 220 | * @param string $plan The current WPCOM plan of the blog. |
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| 221 | */ |
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| 222 | public function add_upgrades_menu( $plan = null ) { |
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| 223 | $products = Jetpack_Plan::get(); |
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| 224 | if ( array_key_exists( 'product_name_short', $products ) ) { |
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| 225 | $plan = $products['product_name_short']; |
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| 226 | } |
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| 247 | |||
| 248 | /** |
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| 249 | * Adds Tools menu. |
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| 250 | * |
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| 251 | * @param bool $wp_admin_import Optional. Whether Import link should point to Calypso or wp-admin. Default false (Calypso). |
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| 252 | * @param bool $wp_admin_export Optional. Whether Export link should point to Calypso or wp-admin. Default false (Calypso). |
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| 253 | */ |
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| 254 | public function add_tools_menu( $wp_admin_import = false, $wp_admin_export = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 258 | |||
| 259 | /** |
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| 260 | * Adds Settings menu. |
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| 261 | * |
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| 262 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 263 | */ |
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| 264 | public function add_options_menu( $wp_admin = false ) { |
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| 274 | |||
| 275 | /** |
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| 276 | * Adds Appearance menu. |
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| 277 | * |
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| 278 | * @param bool $wp_admin_themes Optional. Whether Themes link should point to Calypso or wp-admin. Default false (Calypso). |
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| 279 | * @param bool $wp_admin_customize Optional. Whether Customize link should point to Calypso or wp-admin. Default false (Calypso). |
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| 280 | */ |
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| 281 | public function add_appearance_menu( $wp_admin_themes = false, $wp_admin_customize = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 287 | |||
| 288 | /** |
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| 289 | * Override the global submenu_file for theme-install.php page so the WP Admin menu item gets highlighted correctly. |
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| 290 | * |
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| 291 | * @param string $submenu_file The current pages $submenu_file global variable value. |
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| 292 | * @return string | null |
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| 293 | */ |
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| 294 | public function override_the_theme_installer( $submenu_file ) { |
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| 302 | |||
| 303 | /** |
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| 304 | * Adds Users menu. |
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| 305 | * |
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| 306 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 307 | */ |
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| 308 | public function add_users_menu( $wp_admin = false ) { |
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| 313 | |||
| 314 | /** |
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| 315 | * Also remove the Gutenberg plugin menu. |
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| 316 | * |
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| 317 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 318 | */ |
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| 319 | public function add_gutenberg_menus( $wp_admin = false ) { |
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| 324 | |||
| 325 | /** |
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| 326 | * Always use WP Admin for comments. |
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| 327 | * |
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| 328 | * @param bool $wp_admin Optional. Whether links should point to Calypso or wp-admin. Default false (Calypso). |
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| 329 | */ |
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| 330 | public function add_comments_menu( $wp_admin = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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| 333 | |||
| 334 | /** |
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| 335 | * Saves the sidebar state ( expanded / collapsed ) via an ajax request. |
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| 336 | */ |
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| 337 | public function ajax_sidebar_state() { |
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| 351 | } |
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| 352 | |||
| 353 |
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.