509 lines
12 KiB
PHP
509 lines
12 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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if ( ! class_exists( 'ACF_Updates' ) ) :
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class ACF_Updates {
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/** @var string The ACF_Updates version */
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var $version = '2.4';
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/** @var array The array of registered plugins */
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var $plugins = array();
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/** @var int Counts the number of plugin update checks */
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var $checked = 0;
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/*
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* __construct
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*
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* Sets up the class functionality.
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*
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param void
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* @return void
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*/
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function __construct() {
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// append update information to transient
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add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'modify_plugins_transient' ), 10, 1 );
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// modify plugin data visible in the 'View details' popup
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add_filter( 'plugins_api', array( $this, 'modify_plugin_details' ), 10, 3 );
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}
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/*
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* add_plugin
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*
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* Registeres a plugin for updates.
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*
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* @date 8/4/17
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* @since 5.5.10
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*
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* @param array $plugin The plugin array.
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* @return void
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*/
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function add_plugin( $plugin ) {
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// validate
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$plugin = wp_parse_args(
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$plugin,
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array(
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'id' => '',
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'key' => '',
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'slug' => '',
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'basename' => '',
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'version' => '',
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)
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);
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// Check if is_plugin_active() function exists. This is required on the front end of the
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// site, since it is in a file that is normally only loaded in the admin.
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if ( ! function_exists( 'is_plugin_active' ) ) {
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require_once ABSPATH . 'wp-admin/includes/plugin.php';
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}
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// add if is active plugin (not included in theme)
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if ( is_plugin_active( $plugin['basename'] ) ) {
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$this->plugins[ $plugin['basename'] ] = $plugin;
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}
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}
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/**
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* get_plugin_by
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*
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* Returns a registered plugin for the give key and value.
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*
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* @date 3/8/18
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* @since 5.7.2
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*
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* @param string $key The array key to compare
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* @param string $value The value to compare against
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* @return array|false
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*/
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function get_plugin_by( $key = '', $value = null ) {
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foreach ( $this->plugins as $plugin ) {
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if ( $plugin[ $key ] === $value ) {
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return $plugin;
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}
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}
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return false;
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}
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/*
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* request
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*
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* Makes a request to the ACF connect server.
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*
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* @date 8/4/17
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* @since 5.5.10
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*
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* @param string $endpoint The API endpoint.
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* @param array $body The body to post.
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* @return (array|string|WP_Error)
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*/
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function request( $endpoint = '', $body = null ) {
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// Determine URL.
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$url = "https://connect.advancedcustomfields.com/$endpoint";
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// Staging environment.
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if ( defined( 'ACF_DEV_API' ) && ACF_DEV_API === 'STAGE' ) {
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$url = "https://staging.connect.advancedcustomfields.com/$endpoint";
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acf_log( $url, $body );
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// Dev environment.
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} elseif ( defined( 'ACF_DEV_API' ) && ACF_DEV_API ) {
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$url = "http://connect/$endpoint";
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acf_log( $url, $body );
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}
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// Make request.
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$raw_response = wp_remote_post(
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$url,
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array(
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'timeout' => 10,
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'body' => $body,
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)
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);
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// Handle response error.
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if ( is_wp_error( $raw_response ) ) {
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return $raw_response;
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// Handle http error.
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} elseif ( wp_remote_retrieve_response_code( $raw_response ) != 200 ) {
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return new WP_Error( 'server_error', wp_remote_retrieve_response_message( $raw_response ) );
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}
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// Decode JSON response.
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$json = json_decode( wp_remote_retrieve_body( $raw_response ), true );
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// Allow non json value.
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if ( $json === null ) {
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return wp_remote_retrieve_body( $raw_response );
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}
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// return
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return $json;
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}
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/*
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* get_plugin_info
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*
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* Returns update information for the given plugin id.
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*
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* @date 9/4/17
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* @since 5.5.10
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*
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* @param string $id The plugin id such as 'pro'.
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* @param boolean $force_check Bypasses cached result. Defaults to false.
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* @return array|WP_Error
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*/
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function get_plugin_info( $id = '', $force_check = false ) {
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// var
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$transient_name = 'acf_plugin_info_' . $id;
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// check cache but allow for $force_check override
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if ( ! $force_check ) {
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$transient = get_transient( $transient_name );
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if ( $transient !== false ) {
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return $transient;
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}
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}
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// connect
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$response = $this->request( 'v2/plugins/get-info?p=' . $id );
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// convert string (misc error) to WP_Error object
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if ( is_string( $response ) ) {
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$response = new WP_Error( 'server_error', esc_html( $response ) );
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}
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// allow json to include expiration but force minimum and max for safety
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$expiration = $this->get_expiration( $response, DAY_IN_SECONDS, MONTH_IN_SECONDS );
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// update transient
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set_transient( $transient_name, $response, $expiration );
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// return
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return $response;
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}
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/**
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* get_plugin_update
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*
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* Returns specific data from the 'update-check' response.
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*
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* @date 3/8/18
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* @since 5.7.2
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*
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* @param string $basename The plugin basename.
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* @param boolean $force_check Bypasses cached result. Defaults to false
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* @return array
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*/
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function get_plugin_update( $basename = '', $force_check = false ) {
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// get updates
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$updates = $this->get_plugin_updates( $force_check );
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// check for and return update
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if ( is_array( $updates ) && isset( $updates['plugins'][ $basename ] ) ) {
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return $updates['plugins'][ $basename ];
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}
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return false;
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}
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/**
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* get_plugin_updates
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*
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* Checks for plugin updates.
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*
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* @date 8/7/18
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* @since 5.6.9
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* @since 5.7.2 Added 'checked' comparison
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*
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* @param boolean $force_check Bypasses cached result. Defaults to false.
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* @return array|WP_Error.
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*/
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function get_plugin_updates( $force_check = false ) {
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// var
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$transient_name = 'acf_plugin_updates';
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// construct array of 'checked' plugins
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// sort by key to avoid detecting change due to "include order"
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$checked = array();
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foreach ( $this->plugins as $basename => $plugin ) {
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$checked[ $basename ] = $plugin['version'];
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}
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ksort( $checked );
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// $force_check prevents transient lookup
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if ( ! $force_check ) {
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$transient = get_transient( $transient_name );
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// if cached response was found, compare $transient['checked'] against $checked and ignore if they don't match (plugins/versions have changed)
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if ( is_array( $transient ) ) {
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$transient_checked = isset( $transient['checked'] ) ? $transient['checked'] : array();
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if ( wp_json_encode( $checked ) !== wp_json_encode( $transient_checked ) ) {
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$transient = false;
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}
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}
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if ( $transient !== false ) {
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return $transient;
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}
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}
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// vars
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$post = array(
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'plugins' => wp_json_encode( $this->plugins ),
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'wp' => wp_json_encode(
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array(
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'wp_name' => get_bloginfo( 'name' ),
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'wp_url' => home_url(),
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'wp_version' => get_bloginfo( 'version' ),
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'wp_language' => get_bloginfo( 'language' ),
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'wp_timezone' => get_option( 'timezone_string' ),
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)
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),
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'acf' => wp_json_encode(
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array(
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'acf_version' => get_option( 'acf_version' ),
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'acf_pro' => ( defined( 'ACF_PRO' ) && ACF_PRO ),
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)
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),
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);
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// request
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$response = $this->request( 'v2/plugins/update-check', $post );
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// append checked reference
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if ( is_array( $response ) ) {
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$response['checked'] = $checked;
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}
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// allow json to include expiration but force minimum and max for safety
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$expiration = $this->get_expiration( $response, DAY_IN_SECONDS, MONTH_IN_SECONDS );
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// update transient
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set_transient( $transient_name, $response, $expiration );
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// return
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return $response;
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}
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/**
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* get_expiration
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*
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* This function safely gets the expiration value from a response.
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*
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* @date 8/7/18
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* @since 5.6.9
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*
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* @param mixed $response The response from the server. Default false.
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* @param int $min The minimum expiration limit. Default 0.
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* @param int $max The maximum expiration limit. Default 0.
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* @return int
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*/
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function get_expiration( $response = false, $min = 0, $max = 0 ) {
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// vars
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$expiration = 0;
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// check
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if ( is_array( $response ) && isset( $response['expiration'] ) ) {
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$expiration = (int) $response['expiration'];
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}
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// min
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if ( $expiration < $min ) {
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return $min;
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}
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// max
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if ( $expiration > $max ) {
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return $max;
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}
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// return
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return $expiration;
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}
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/*
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* refresh_plugins_transient
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*
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* Deletes transients and allows a fresh lookup.
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*
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* @date 11/4/17
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* @since 5.5.10
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*
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* @param void
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* @return void
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*/
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function refresh_plugins_transient() {
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delete_site_transient( 'update_plugins' );
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delete_transient( 'acf_plugin_updates' );
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}
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/*
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* modify_plugins_transient
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*
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* Called when WP updates the 'update_plugins' site transient. Used to inject ACF plugin update info.
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*
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* @date 16/01/2014
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* @since 5.0.0
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*
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* @param object $transient
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* @return $transient
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*/
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function modify_plugins_transient( $transient ) {
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// bail early if no response (error)
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if ( ! isset( $transient->response ) ) {
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return $transient;
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}
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// force-check (only once)
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$force_check = ( $this->checked == 0 ) ? ! empty( $_GET['force-check'] ) : false;
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// fetch updates (this filter is called multiple times during a single page load)
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$updates = $this->get_plugin_updates( $force_check );
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// append
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if ( is_array( $updates ) ) {
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foreach ( $updates['plugins'] as $basename => $update ) {
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$transient->response[ $basename ] = (object) $update;
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}
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}
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// increase
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$this->checked++;
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// return
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return $transient;
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}
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/*
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* modify_plugin_details
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*
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* Returns the plugin data visible in the 'View details' popup
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*
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* @date 17/01/2014
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* @since 5.0.0
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*
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* @param object $result
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* @param string $action
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* @param object $args
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* @return $result
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*/
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function modify_plugin_details( $result, $action = null, $args = null ) {
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// vars
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$plugin = false;
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// only for 'plugin_information' action
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if ( $action !== 'plugin_information' ) {
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return $result;
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}
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// find plugin via slug
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$plugin = $this->get_plugin_by( 'slug', $args->slug );
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if ( ! $plugin ) {
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return $result;
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}
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// connect
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$response = $this->get_plugin_info( $plugin['id'] );
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// bail early if no response
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if ( ! is_array( $response ) ) {
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return $result;
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}
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// remove tags (different context)
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unset( $response['tags'] );
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// convert to object
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$response = (object) $response;
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// sections
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$sections = array(
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'description' => '',
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'installation' => '',
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'changelog' => '',
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'upgrade_notice' => '',
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);
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foreach ( $sections as $k => $v ) {
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$sections[ $k ] = $response->$k;
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}
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$response->sections = $sections;
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// return
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return $response;
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}
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}
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/*
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* acf_updates
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*
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* The main function responsible for returning the one true acf_updates instance to functions everywhere.
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* Use this function like you would a global variable, except without needing to declare the global.
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*
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* Example: <?php $acf_updates = acf_updates(); ?>
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*
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* @date 9/4/17
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* @since 5.5.12
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*
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* @param void
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* @return object
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*/
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function acf_updates() {
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global $acf_updates;
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if ( ! isset( $acf_updates ) ) {
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$acf_updates = new ACF_Updates();
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}
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return $acf_updates;
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}
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/*
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* acf_register_plugin_update
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*
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* Alias of acf_updates()->add_plugin().
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*
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* @type function
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* @date 12/4/17
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* @since 5.5.10
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*
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* @param array $plugin
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* @return void
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*/
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function acf_register_plugin_update( $plugin ) {
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acf_updates()->add_plugin( $plugin );
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}
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endif; // class_exists check
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