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<?php |
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namespace Carbon_Fields\Container; |
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use Carbon_Fields\Datastore\Theme_Options_Datastore; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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/** |
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* Theme options container class. |
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*/ |
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class Theme_Options_Container extends Container { |
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static protected $registered_pages = array(); |
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public $settings = array( |
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'parent' => 'self', |
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'file' => '', |
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'permissions' => 'manage_options', |
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); |
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public $icon = ''; |
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/** |
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* Create a new theme options fields container |
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* |
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* @param string $title Unique title of the container |
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**/ |
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public function __construct( $title ) { |
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parent::__construct( $title ); |
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if ( ! $this->get_datastore() ) { |
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$this->set_datastore( new Theme_Options_Datastore(), $this->has_default_datastore() ); |
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} |
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} |
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/** |
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* Perform save operation after successful is_valid_save() check. |
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* The call is propagated to all fields in the container. |
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* |
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* @param mixed $user_data |
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**/ |
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public function save( $user_data = null ) { |
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try { |
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parent::save( $user_data ); |
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} catch ( Incorrect_Syntax_Exception $e ) { |
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$this->errors[] = $e->getMessage(); |
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} |
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do_action( 'carbon_after_save_theme_options', $user_data ); |
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if ( ! headers_sent() ) { |
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wp_redirect( add_query_arg( array( 'settings-updated' => 'true' ) ) ); |
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} |
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} |
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/** |
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* Sanitize a title to a filename |
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* |
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* @param string $title |
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* @return string |
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*/ |
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protected function title_to_filename( $title, $extension ) { |
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$title = sanitize_file_name( $title ); |
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$title = strtolower( $title ); |
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$title = remove_accents( $title ); |
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$title = preg_replace( array( |
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'~\s+~', |
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'~[^\w\d-]+~u', |
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'~-+~' |
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), array( |
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'-', |
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'-', |
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'-' |
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), $title ); |
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return $title . $extension; |
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} |
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/** |
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* Attach container as a theme options page/subpage. |
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**/ |
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public function init() { |
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if ( ! $this->settings['parent'] || $this->settings['parent'] == 'self' ) { |
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$this->settings['parent'] = ''; |
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} else if ( strpos( $this->settings['parent'], '.php' ) === false ) { |
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$this->settings['parent'] = $this->title_to_filename( 'crbn-' . $this->settings['parent'], '.php' ); |
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} |
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if ( ! $this->settings['file'] ) { |
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$this->settings['file'] = $this->title_to_filename( 'crbn-' . $this->title, '.php' ); |
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} |
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$this->verify_unique_page(); |
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add_action( 'admin_menu', array( $this, '_attach' ) ); |
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} |
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/** |
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* Perform checks whether the current save() request is valid. |
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* |
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* @return bool |
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**/ |
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View Code Duplication |
public function is_valid_save() { |
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if ( ! isset( $_POST[ $this->get_nonce_name() ] ) || ! wp_verify_nonce( $_POST[ $this->get_nonce_name() ], $this->get_nonce_name() ) ) { // Input var okay. |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Add theme options container pages. |
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* Hook the container saving action. |
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**/ |
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public function attach() { |
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// Add menu page |
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if ( ! $this->settings['parent'] ) { |
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add_menu_page( |
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$this->title, |
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$this->title, |
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$this->settings['permissions'], |
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$this->settings['file'], |
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array( $this, 'render' ), |
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$this->icon |
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); |
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} |
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add_submenu_page( |
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$this->settings['parent'], |
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$this->title, |
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$this->title, |
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$this->settings['permissions'], |
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$this->settings['file'], |
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array( $this, 'render' ), |
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$this->icon |
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); |
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$page_hook = get_plugin_page_hookname( $this->settings['file'], '' ); |
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add_action( 'load-' . $page_hook, array( $this, '_save' ) ); |
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} |
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/** |
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* Whether this container is currently viewed. |
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**/ |
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public function is_active() { |
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if ( isset( $_GET['page'] ) && $_GET['page'] === $this->settings['file'] ) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Revert the result of attach() |
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**/ |
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public function detach() { |
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parent::detach(); |
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$this->drop_unique_page(); |
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$page_hook = get_plugin_page_hookname( $this->settings['file'], '' ); |
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remove_action( 'load-' . $page_hook, array( $this, '_save' ) ); |
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} |
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/** |
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* Output the container markup |
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**/ |
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public function render() { |
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if ( isset( $_GET['settings-updated'] ) && $_GET['settings-updated'] == 'true' ) { |
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$this->notifications[] = __( 'Settings saved.', 'carbon-fields' ); |
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} |
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include \Carbon_Fields\DIR . '/templates/Container/theme_options.php'; |
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} |
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/** |
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* Make sure that there are no duplicate containers with the same name. |
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**/ |
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public function verify_unique_page() { |
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$file = $this->settings['file']; |
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$parent = $this->settings['parent']; |
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// Register top level page |
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if ( ! $parent ) { |
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if ( isset( self::$registered_pages[ $file ] ) ) { |
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Incorrect_Syntax_Exception::raise( 'Page "' . $file . '" already registered' ); |
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} |
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self::$registered_pages[ $file ] = array(); |
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return; |
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} |
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// Register sub-page |
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if ( ! isset( self::$registered_pages[ $parent ] ) ) { |
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self::$registered_pages[ $parent ] = array( $file ); |
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} elseif ( in_array( $file, self::$registered_pages[ $parent ] ) ) { |
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Incorrect_Syntax_Exception::raise( 'Page "' . $file . '" with parent "' . $parent . '" is already registered. Please set a different file name using setup()' ); |
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} else { |
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self::$registered_pages[ $parent ][] = $file; |
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} |
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} |
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/** |
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* Unregister the container parent and child pages. |
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**/ |
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public function drop_unique_page() { |
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$file = $this->settings['file']; |
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$parent = $this->settings['parent']; |
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// Register top level page |
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if ( ! $parent ) { |
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if ( isset( self::$registered_pages[ $file ] ) && empty( self::$registered_pages[ $file ] ) ) { |
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unset( self::$registered_pages[ $file ] ); |
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} |
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return; |
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} |
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// Register sub-page |
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if ( isset( self::$registered_pages[ $parent ] ) && in_array( $file, self::$registered_pages[ $parent ] ) ) { |
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$index = array_search( $file, self::$registered_pages[ $parent ] ); |
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if ( $index !== false ) { |
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unset( self::$registered_pages[ $parent ][ $index ] ); |
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} |
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} |
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} |
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/** |
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* Append array of fields to the current fields set. All items of the array |
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* must be instances of Field and their names should be unique for all |
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* Carbon containers. |
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* If a field does not have DataStore already, the container datastore is |
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* assigned to them instead. |
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* |
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* @param array $fields |
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**/ |
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public function add_fields( $fields ) { |
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parent::add_fields( $fields ); |
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foreach ( $this->fields as $field ) { |
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$field->set_prefix( '' ); |
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} |
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return $this; |
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} |
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/** |
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* Change the parent theme options page of this container |
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**/ |
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public function set_page_parent( $parent ) { |
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if ( is_a( $parent, 'Carbon_Container' ) ) { |
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$parent = $parent->title; |
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} |
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$this->settings['parent'] = $parent; |
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return $this; |
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} |
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/** |
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* Set the icon of this theme options page. |
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* Applicable only for parent theme option pages. |
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**/ |
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public function set_icon( $icon ) { |
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$this->icon = $icon; |
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return $this; |
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} |
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/** |
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* Set the theme options file name of this container. |
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**/ |
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public function set_page_file( $file ) { |
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$this->settings['file'] = $file; |
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return $this; |
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} |
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/** |
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* Set the permissions necessary to view |
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* the corresponding theme options page |
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**/ |
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public function set_page_permissions( $permissions ) { |
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$this->settings['permissions'] = $permissions; |
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return $this; |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: