<?php

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abstract class ET_Core_Post_Object {

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/**

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* @var ET_Core_Data_Utils

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*/

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protected static $_;

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/**

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* Current instances of this class organized by type.

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*

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* @since 3.0.99

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* @var array[] {

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*

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* @type ET_Core_Post_Object[] $type {

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*

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* @type ET_Core_Post_Object $name Instance.

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* ...

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* }

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* ...

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* }

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*/

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private static $_instances = array();

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/**

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* The `$args` array used when registering this post object.

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*

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* @since 3.0.99

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* @var array

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*/

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protected $_args;

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/**

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* The owner of this instance. Default 'core'. Accepts 'divi', 'builder', 'epanel', 'bloom', 'monarch'.

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*

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* @since 3.0.99

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* @var string

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*/

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protected $_owner = 'core';

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/**

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* Whether or not the object has been registered.

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*

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* @since 3.0.99

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* @var bool

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*/

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protected $_registered = false;

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/**

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* The WP object for this instance.

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*

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* @since 3.0.99

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* @var WP_Post_Type|WP_Taxonomy

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*/

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protected $_wp_object;

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/**

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* Post object key.

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*

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* @since 3.0.99

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* @var string

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*/

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public $name;

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/**

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* Post object type. Accepts 'cpt', 'taxonomy'.

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*

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* @since 3.0.99

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* @var string

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*/

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public $wp_type;

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/**

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* ET_Core_Post_Base constructor.

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*/

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public function __construct() {

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$this->_args = $this->_get_args();

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$this->_args['labels'] = $this->_get_labels();

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$this->_apply_filters();

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$this->_sanity_check();

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if ( empty( self::$_instances ) ) {

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self::$_instances['cpt'] = array();

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self::$_instances['taxonomy'] = array();

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add_action( 'init', 'ET_Core_Post_Object::register_all' );

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}

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self::$_instances[ $this->wp_type ][ $this->name ] = $this;

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}

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/**

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* Applies filters to the instance's filterable properties.

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*/

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protected function _apply_filters() {

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$name = $this->name;

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if ( 'cpt' === $this->wp_type ) {

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/**

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* Filters the `$args` for a custom post type. The dynamic portion of the

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* filter, `$name`, refers to the name/key of the post type being registered.

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*

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* @since 3.0.99

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*

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* @param array $args {@see register_post_type()}

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*/

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$this->_args = apply_filters( "et_core_cpt_{$name}_args", $this->_args );

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} else if ( 'taxonomy' === $this->wp_type ) {

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/**

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* Filters the `$args` for a custom post taxonomy. The dynamic portion of the

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* filter, `$name`, refers to the name/key of the taxonomy being registered.

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*

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* @since 3.0.99

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*

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* @param array $args {@see register_taxonomy()}

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*/

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$this->_args = apply_filters( "et_core_taxonomy_{$name}_args", $this->_args );

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}

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}

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/**

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* This method is called right before registering the object. It is intended to be

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* overridden by child classes as needed.

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*/

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protected function _before_register() {}

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/**

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* Returns the args for the instance.

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* See {@see register_post_type()} or {@see register_taxonomy()}.

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*

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* @return array $args

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*/

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abstract protected function _get_args();

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/**

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* Returns labels for the instance.

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* See {@see register_post_type()} or {@see register_taxonomy()}.

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*

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* @return array $labels

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*/

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abstract protected function _get_labels();

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/**

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* Checks for required properties and existing instances.

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*/

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protected function _sanity_check() {

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if ( ! $this->_args || ! $this->name || ! $this->wp_type ) {

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et_error( 'Missing required properties!' );

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wp_die();

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} else if ( isset( self::$_instances[ $this->wp_type ][ $this->name ] ) ) {

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et_error( 'Multiple instances are not allowed!' );

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wp_die();

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}

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}

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/**

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* Get a derived class instance.

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*

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* @since 3.0.99

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*

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* @param string $type See {@see self::$wp_type} for accepted values. Default is 'cpt'.

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* @param string $name The name/slug of the derived object. Default is an empty string.

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*

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* @return self|null

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*/

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public static function instance( $type = 'cpt', $name = '' ) {

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if ( ! self::$_ ) {

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self::$_ = ET_Core_Data_Utils::instance();

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}

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return self::$_->array_get( self::$_instances, "{$type}.{$name}", null );

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}

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/**

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* Calls either {@see register_post_type} or {@see register_taxonomy} for each instance.

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*

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* @since 3.0.99

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*

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* @param string $owner Optional. Only register objects owned by a part of the codebase.

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* See {@see self::_owner} for accepted values.

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*/

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public static function register_all( $owner = null ) {

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if ( empty( self::$_instances ) ) {

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return;

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}

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global $wp_taxonomies;

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foreach ( self::$_instances['taxonomy'] as $name => $instance ) {

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$can_register = is_null( $owner ) || $owner === $instance->_owner;

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if ( $instance->_registered || ! $can_register ) {

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continue;

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}

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$instance->_before_register();

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register_taxonomy( $name, $instance->post_types, $instance->_args );

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$instance->_wp_object = $wp_taxonomies[ $name ];

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$instance->_registered = true;

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}

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foreach ( self::$_instances['cpt'] as $name => $instance ) {

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$can_register = is_null( $owner ) || $owner === $instance->_owner;

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if ( $instance->_registered || ! $can_register ) {

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continue;

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}

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$instance->_before_register();

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$instance->_wp_object = register_post_type( $name, $instance->_args );

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$instance->_registered = true;

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}

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}

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}

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