initial commit

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-check-screen.php

@@ -0,0 +1,103 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Check_Screen' ) ) :
+
+	class ACF_Ajax_Check_Screen extends ACF_Ajax {
+
+		/** @var string The AJAX action name. */
+		var $action = 'acf/ajax/check_screen';
+
+		/** @var bool Prevents access for non-logged in users. */
+		var $public = false;
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+
+			// vars
+			$args = wp_parse_args(
+				$this->request,
+				array(
+					'screen'  => '',
+					'post_id' => 0,
+					'ajax'    => true,
+					'exists'  => array(),
+				)
+			);
+
+			// vars
+			$response = array(
+				'results' => array(),
+				'style'   => '',
+			);
+
+			// get field groups
+			$field_groups = acf_get_field_groups( $args );
+
+			// loop through field groups
+			if ( $field_groups ) {
+				foreach ( $field_groups as $i => $field_group ) {
+
+					// vars
+					$item = array(
+						'id'       => 'acf-' . $field_group['key'],
+						'key'      => $field_group['key'],
+						'title'    => $field_group['title'],
+						'position' => $field_group['position'],
+						'style'    => $field_group['style'],
+						'label'    => $field_group['label_placement'],
+						'edit'     => acf_get_field_group_edit_link( $field_group['ID'] ),
+						'html'     => '',
+					);
+
+					// append html if doesnt already exist on page
+					if ( ! in_array( $field_group['key'], $args['exists'] ) ) {
+
+						// load fields
+						$fields = acf_get_fields( $field_group );
+
+						// get field HTML
+						ob_start();
+
+						// render
+						acf_render_fields( $fields, $args['post_id'], 'div', $field_group['instruction_placement'] );
+
+						$item['html'] = ob_get_clean();
+					}
+
+					// append
+					$response['results'][] = $item;
+				}
+
+				// Get style from first field group.
+				$response['style'] = acf_get_field_group_style( $field_groups[0] );
+			}
+
+			// Custom metabox order.
+			if ( $this->get( 'screen' ) == 'post' ) {
+				$response['sorted'] = get_user_option( 'meta-box-order_' . $this->get( 'post_type' ) );
+			}
+
+			// return
+			return $response;
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_Check_Screen' );
+
+endif; // class_exists check
+
+

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-local-json-diff.php

@@ -0,0 +1,82 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Local_JSON_Diff' ) ) :
+
+	class ACF_Ajax_Local_JSON_Diff extends ACF_Ajax {
+
+		/** @var string The AJAX action name. */
+		var $action = 'acf/ajax/local_json_diff';
+
+		/** @var bool Prevents access for non-logged in users. */
+		var $public = false;
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+			$json = array();
+
+			// Extract props.
+			$id = isset( $request['id'] ) ? intval( $request['id'] ) : 0;
+
+			// Bail ealry if missing props.
+			if ( ! $id ) {
+				return new WP_Error( 'acf_invalid_param', __( 'Invalid field group parameter(s).', 'acf' ), array( 'status' => 404 ) );
+			}
+
+			// Disable filters and load field group directly from database.
+			acf_disable_filters();
+			$field_group = acf_get_field_group( $id );
+			if ( ! $field_group ) {
+				return new WP_Error( 'acf_invalid_id', __( 'Invalid field group ID.', 'acf' ), array( 'status' => 404 ) );
+			}
+			$field_group['fields']   = acf_get_fields( $field_group );
+			$field_group['modified'] = get_post_modified_time( 'U', true, $field_group['ID'] );
+			$field_group             = acf_prepare_field_group_for_export( $field_group );
+
+			// Load local field group file.
+			$files = acf_get_local_json_files();
+			$key   = $field_group['key'];
+			if ( ! isset( $files[ $key ] ) ) {
+				return new WP_Error( 'acf_cannot_compare', __( 'Sorry, this field group is unavailable for diff comparison.', 'acf' ), array( 'status' => 404 ) );
+			}
+			$local_field_group = json_decode( file_get_contents( $files[ $key ] ), true );
+
+			// Render diff HTML.
+			$date_format   = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
+			$date_template = __( 'Last updated: %s', 'acf' );
+			$json['html']  = '
+		<div class="acf-diff">
+			<div class="acf-diff-title">
+				<div class="acf-diff-title-left">
+					<strong>' . __( 'Original field group', 'acf' ) . '</strong>
+					<span>' . sprintf( $date_template, wp_date( $date_format, $field_group['modified'] ) ) . '</span>
+				</div>
+				<div class="acf-diff-title-right">
+					<strong>' . __( 'JSON field group (newer)', 'acf' ) . '</strong>
+					<span>' . sprintf( $date_template, wp_date( $date_format, $local_field_group['modified'] ) ) . '</span>
+				</div>
+			</div>
+			<div class="acf-diff-content">
+				' . wp_text_diff( acf_json_encode( $field_group ), acf_json_encode( $local_field_group ) ) . '
+			</div>
+		</div>';
+			return $json;
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_Local_JSON_Diff' );
+
+endif; // class_exists check

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-query-users.php

@@ -0,0 +1,275 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Query_Users' ) ) :
+
+	class ACF_Ajax_Query_Users extends ACF_Ajax_Query {
+
+		/** @var string The AJAX action name. */
+		var $action = 'acf/ajax/query_users';
+
+		/**
+		 * init_request
+		 *
+		 * Called at the beginning of a request to setup properties.
+		 *
+		 * @date    23/5/19
+		 * @since   5.8.1
+		 *
+		 * @param   array $request The request args.
+		 * @return  void
+		 */
+		function init_request( $request ) {
+			parent::init_request( $request );
+
+			// Customize query.
+			add_filter( 'user_search_columns', array( $this, 'filter_search_columns' ), 10, 3 );
+
+			/**
+			 * Fires when a request is made.
+			 *
+			 * @date    21/5/19
+			 * @since   5.8.1
+			 *
+			 * @param   array $request The query request.
+			 * @param   ACF_Ajax_Query $query The query object.
+			 */
+			do_action( 'acf/ajax/query_users/init', $request, $this );
+		}
+
+		/**
+		 * get_args
+		 *
+		 * Returns an array of args for this query.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  array
+		 */
+		function get_args( $request ) {
+			$args           = parent::get_args( $request );
+			$args['number'] = $this->per_page;
+			$args['paged']  = $this->page;
+			if ( $this->is_search ) {
+				$args['search'] = "*{$this->search}*";
+			}
+
+			/**
+			 * Filters the query args.
+			 *
+			 * @date    21/5/19
+			 * @since   5.8.1
+			 *
+			 * @param   array $args The query args.
+			 * @param   array $request The query request.
+			 * @param   ACF_Ajax_Query $query The query object.
+			 */
+			return apply_filters( 'acf/ajax/query_users/args', $args, $request, $this );
+		}
+
+		/**
+		 * Prepares args for the get_results() method.
+		 *
+		 * @date    23/3/20
+		 * @since   5.8.9
+		 *
+		 * @param   array args The query args.
+		 * @return  array
+		 */
+		function prepare_args( $args ) {
+
+			// Parse pagination args that may have been modified.
+			if ( isset( $args['users_per_page'] ) ) {
+				$this->per_page = intval( $args['users_per_page'] );
+				unset( $args['users_per_page'] );
+
+			} elseif ( isset( $args['number'] ) ) {
+				$this->per_page = intval( $args['number'] );
+			}
+
+			if ( isset( $args['paged'] ) ) {
+				$this->page = intval( $args['paged'] );
+				unset( $args['paged'] );
+			}
+
+			// Set pagination args for fine control.
+			$args['number']      = $this->per_page;
+			$args['offset']      = $this->per_page * ( $this->page - 1 );
+			$args['count_total'] = true;
+			return $args;
+		}
+
+		/**
+		 * get_results
+		 *
+		 * Returns an array of results for the given args.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array args The query args.
+		 * @return  array
+		 */
+		function get_results( $args ) {
+			$results = array();
+
+			// Prepare args for quey.
+			$args = $this->prepare_args( $args );
+
+			// Get result groups.
+			if ( ! empty( $args['role__in'] ) ) {
+				$roles = acf_get_user_role_labels( $args['role__in'] );
+			} else {
+				$roles = acf_get_user_role_labels();
+			}
+
+			// Return a flat array of results when searching or when queriying one group only.
+			if ( $this->is_search || count( $roles ) === 1 ) {
+
+				// Query users and append to results.
+				$wp_user_query = new WP_User_Query( $args );
+				$users         = (array) $wp_user_query->get_results();
+				$total_users   = $wp_user_query->get_total();
+				foreach ( $users as $user ) {
+					$results[] = $this->get_result( $user );
+				}
+
+				// Determine if more results exist.
+				// As this query does not return grouped results, the calculation can be exact (">").
+				$this->more = ( $total_users > count( $users ) + $args['offset'] );
+
+				// Otherwise, group results via role.
+			} else {
+
+				// Unset args that will interfer with query results.
+				unset( $args['role__in'], $args['role__not_in'] );
+
+				// Loop over each role.
+				foreach ( $roles as $role => $role_label ) {
+
+					// Query users (for this role only).
+					$args['role']  = $role;
+					$wp_user_query = new WP_User_Query( $args );
+					$users         = (array) $wp_user_query->get_results();
+					$total_users   = $wp_user_query->get_total();
+
+					// acf_log( $args );
+					// acf_log( '- ', count($users) );
+					// acf_log( '- ', $total_users );
+
+					// If users were found for this query...
+					if ( $users ) {
+
+						// Append optgroup of results.
+						$role_results = array();
+						foreach ( $users as $user ) {
+							$role_results[] = $this->get_result( $user );
+						}
+						$results[] = array(
+							'text'     => $role_label,
+							'children' => $role_results,
+						);
+
+						// End loop when enough results have been found.
+						if ( count( $users ) === $args['number'] ) {
+
+							// Determine if more results exist.
+							// As this query does return grouped results, the calculation is best left fuzzy to avoid querying the next group (">=").
+							$this->more = ( $total_users >= count( $users ) + $args['offset'] );
+							break;
+
+							// Otherwise, modify the args so that the next query can continue on correctly.
+						} else {
+							$args['offset']  = 0;
+							$args['number'] -= count( $users );
+						}
+
+						// If no users were found (for the current pagination args), but there were users found for previous pages...
+						// Modify the args so that the next query is offset slightly less (the number of total users) and can continue on correctly.
+					} elseif ( $total_users ) {
+						$args['offset'] -= $total_users;
+						continue;
+
+						// Ignore roles that will never return a result.
+					} else {
+						continue;
+					}
+				}
+			}
+
+			/**
+			 * Filters the query results.
+			 *
+			 * @date    21/5/19
+			 * @since   5.8.1
+			 *
+			 * @param   array $results The query results.
+			 * @param   array $args The query args.
+			 * @param   ACF_Ajax_Query $query The query object.
+			 */
+			return apply_filters( 'acf/ajax/query_users/results', $results, $args, $this );
+		}
+
+		/**
+		 * get_result
+		 *
+		 * Returns a single result for the given item object.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   mixed $item A single item from the queried results.
+		 * @return  string
+		 */
+		function get_result( $user ) {
+			$item = acf_get_user_result( $user );
+
+			/**
+			 * Filters the result item.
+			 *
+			 * @date    21/5/19
+			 * @since   5.8.1
+			 *
+			 * @param   array $item The choice id and text.
+			 * @param   ACF_User $user The user object.
+			 * @param   ACF_Ajax_Query $query The query object.
+			 */
+			return apply_filters( 'acf/ajax/query_users/result', $item, $user, $this );
+		}
+
+		/**
+		 * Filters the WP_User_Query search columns.
+		 *
+		 * @date    9/3/20
+		 * @since   5.8.8
+		 *
+		 * @param   array         $columns An array of column names to be searched.
+		 * @param   string        $search The search term.
+		 * @param   WP_User_Query $WP_User_Query The WP_User_Query instance.
+		 * @return  array
+		 */
+		function filter_search_columns( $columns, $search, $WP_User_Query ) {
+
+			/**
+			 * Filters the column names to be searched.
+			 *
+			 * @date    21/5/19
+			 * @since   5.8.1
+			 *
+			 * @param   array $columns An array of column names to be searched.
+			 * @param   string $search The search term.
+			 * @param   WP_User_Query $WP_User_Query The WP_User_Query instance.
+			 * @param   ACF_Ajax_Query $query The query object.
+			 */
+			return apply_filters( 'acf/ajax/query_users/search_columns', $columns, $search, $WP_User_Query, $this );
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_Query_Users' );
+
+endif; // class_exists check

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-query.php

@@ -0,0 +1,152 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Query' ) ) :
+
+	class ACF_Ajax_Query extends ACF_Ajax {
+
+		/** @var bool Prevents access for non-logged in users. */
+		var $public = true;
+
+		/** @var int The page of results to return. */
+		var $page = 1;
+
+		/** @var int The number of results per page. */
+		var $per_page = 20;
+
+		/** @var bool Signifies whether or not this AJAX query has more pages to load. */
+		var $more = false;
+
+		/** @var string The searched term. */
+		var $search = '';
+
+		/** @var bool Signifies whether the current query is a search. */
+		var $is_search = false;
+
+		/** @var (int|string) The post_id being edited. */
+		var $post_id = 0;
+
+		/** @var array The ACF field related to this query. */
+		var $field = false;
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  (array|WP_Error) The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+
+			// Init request.
+			$this->init_request( $request );
+
+			// Get query args.
+			$args = $this->get_args( $request );
+
+			// Get query results.
+			$results = $this->get_results( $args );
+			if ( is_wp_error( $results ) ) {
+				return $results;
+			}
+
+			// Return response.
+			return array(
+				'results' => $results,
+				'more'    => $this->more,
+			);
+		}
+
+		/**
+		 * init_request
+		 *
+		 * Called at the beginning of a request to setup properties.
+		 *
+		 * @date    23/5/19
+		 * @since   5.8.1
+		 *
+		 * @param   array $request The request args.
+		 * @return  void
+		 */
+		function init_request( $request ) {
+
+			// Get field for this query.
+			if ( isset( $request['field_key'] ) ) {
+				$this->field = acf_get_field( $request['field_key'] );
+			}
+
+			// Update query properties.
+			if ( isset( $request['page'] ) ) {
+				$this->page = intval( $request['page'] );
+			}
+			if ( isset( $request['per_page'] ) ) {
+				$this->per_page = intval( $request['per_page'] );
+			}
+			if ( isset( $request['search'] ) && acf_not_empty( $request['search'] ) ) {
+				$this->search    = sanitize_text_field( $request['search'] );
+				$this->is_search = true;
+			}
+			if ( isset( $request['post_id'] ) ) {
+				$this->post_id = $request['post_id'];
+			}
+		}
+
+		/**
+		 * get_args
+		 *
+		 * Returns an array of args for this query.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  array
+		 */
+		function get_args( $request ) {
+
+			// Allow for custom "query" arg.
+			if ( isset( $request['query'] ) ) {
+				return (array) $request['query'];
+			}
+			return array();
+		}
+
+		/**
+		 * get_items
+		 *
+		 * Returns an array of results for the given args.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array args The query args.
+		 * @return  array
+		 */
+		function get_results( $args ) {
+			return array();
+		}
+
+		/**
+		 * get_item
+		 *
+		 * Returns a single result for the given item object.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   mixed $item A single item from the queried results.
+		 * @return  array An array containing "id" and "text".
+		 */
+		function get_result( $item ) {
+			return false;
+		}
+	}
+
+endif; // class_exists check

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-upgrade.php

@@ -0,0 +1,56 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Upgrade' ) ) :
+
+	class ACF_Ajax_Upgrade extends ACF_Ajax {
+
+		/** @var string The AJAX action name */
+		var $action = 'acf/ajax/upgrade';
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+
+			// Switch blog.
+			if ( isset( $request['blog_id'] ) ) {
+				switch_to_blog( $request['blog_id'] );
+			}
+
+			// Bail early if no upgrade avaiable.
+			if ( ! acf_has_upgrade() ) {
+				return new WP_Error( 'upgrade_error', __( 'No updates available.', 'acf' ) );
+			}
+
+			// Listen for output.
+			ob_start();
+
+			// Run upgrades.
+			acf_upgrade_all();
+
+			// Store output.
+			$error = ob_get_clean();
+
+			// Return error or success.
+			if ( $error ) {
+				return new WP_Error( 'upgrade_error', $error );
+			}
+			return true;
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_Upgrade' );
+
+endif; // class_exists check

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-user-setting.php

@@ -0,0 +1,43 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_User_Setting' ) ) :
+
+	class ACF_Ajax_User_Setting extends ACF_Ajax {
+
+		/** @var string The AJAX action name. */
+		var $action = 'acf/ajax/user_setting';
+
+		/** @var bool Prevents access for non-logged in users. */
+		var $public = true;
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+
+			// update
+			if ( $this->has( 'value' ) ) {
+				return acf_update_user_setting( $this->get( 'name' ), $this->get( 'value' ) );
+
+				// get
+			} else {
+				return acf_get_user_setting( $this->get( 'name' ) );
+			}
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_User_Setting' );
+
+endif; // class_exists check

hamrokhaanpaan/wp-content/__plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax.php

@@ -0,0 +1,232 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax' ) ) :
+
+	class ACF_Ajax {
+
+		/** @var string The AJAX action name. */
+		var $action = '';
+
+		/** @var array The $_REQUEST data. */
+		var $request;
+
+		/** @var bool Prevents access for non-logged in users. */
+		var $public = false;
+
+		/**
+		 * __construct
+		 *
+		 * Sets up the class functionality.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   void
+		 * @return  void
+		 */
+		function __construct() {
+			$this->initialize();
+			$this->add_actions();
+		}
+
+		/**
+		 * has
+		 *
+		 * Returns true if the request has data for the given key.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   string $key The data key.
+		 * @return  boolean
+		 */
+		function has( $key = '' ) {
+			return isset( $this->request[ $key ] );
+		}
+
+		/**
+		 * get
+		 *
+		 * Returns request data for the given key.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   string $key The data key.
+		 * @return  mixed
+		 */
+		function get( $key = '' ) {
+			return isset( $this->request[ $key ] ) ? $this->request[ $key ] : null;
+		}
+
+		/**
+		 * Sets request data for the given key.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   string $key The data key.
+		 * @param   mixed  $value The data value.
+		 * @return  ACF_Ajax
+		 */
+		function set( $key = '', $value = null ) {
+			$this->request[ $key ] = $value;
+			return $this;
+		}
+
+		/**
+		 * initialize
+		 *
+		 * Allows easy access to modifying properties without changing constructor.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   void
+		 * @return  void
+		 */
+		function initialize() {
+			/* do nothing */
+		}
+
+		/**
+		 * add_actions
+		 *
+		 * Adds the ajax actions for this response.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   void
+		 * @return  void
+		 */
+		function add_actions() {
+
+			// add action for logged-in users
+			add_action( "wp_ajax_{$this->action}", array( $this, 'request' ) );
+
+			// add action for non logged-in users
+			if ( $this->public ) {
+				add_action( "wp_ajax_nopriv_{$this->action}", array( $this, 'request' ) );
+			}
+		}
+
+		/**
+		 * request
+		 *
+		 * Callback for ajax action. Sets up properties and calls the get_response() function.
+		 *
+		 * @date    1/8/18
+		 * @since   5.7.2
+		 *
+		 * @param   void
+		 * @return  void
+		 */
+		function request() {
+
+			// Store data for has() and get() functions.
+			$this->request = wp_unslash( $_REQUEST );
+
+			// Verify request and handle error.
+			$error = $this->verify_request( $this->request );
+			if ( is_wp_error( $error ) ) {
+				$this->send( $error );
+			}
+
+			// Send response.
+			$this->send( $this->get_response( $this->request ) );
+		}
+
+		/**
+		 * Verifies the request.
+		 *
+		 * @date    9/3/20
+		 * @since   5.8.8
+		 *
+		 * @param   array $request The request args.
+		 * @return  (bool|WP_Error) True on success, WP_Error on fail.
+		 */
+		function verify_request( $request ) {
+
+			// Verify nonce.
+			if ( ! acf_verify_ajax() ) {
+				return new WP_Error( 'acf_invalid_nonce', __( 'Invalid nonce.', 'acf' ), array( 'status' => 404 ) );
+			}
+			return true;
+		}
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+			return true;
+		}
+
+		/**
+		 * send
+		 *
+		 * Sends back JSON based on the $response as either success or failure.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   mixed $response The response to send back.
+		 * @return  void
+		 */
+		function send( $response ) {
+
+			// Return error.
+			if ( is_wp_error( $response ) ) {
+				$this->send_error( $response );
+
+				// Return success.
+			} else {
+				wp_send_json( $response );
+			}
+		}
+
+		/**
+		 * Sends a JSON response for the given WP_Error object.
+		 *
+		 * @date    8/3/20
+		 * @since   5.8.8
+		 *
+		 * @param   WP_Error error The error object.
+		 * @return  void
+		 */
+		function send_error( $error ) {
+
+			// Get error status
+			$error_data = $error->get_error_data();
+			if ( is_array( $error_data ) && isset( $error_data['status'] ) ) {
+				$status_code = $error_data['status'];
+			} else {
+				$status_code = 500;
+			}
+
+			wp_send_json(
+				array(
+					'code'    => $error->get_error_code(),
+					'message' => $error->get_error_message(),
+					'data'    => $error->get_error_data(),
+				),
+				$status_code
+			);
+		}
+	}
+
+endif; // class_exists check
+
+