<?php

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/**

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* Core class: Core class.

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*

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* @since 2.9.0

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* @package Smush\Core

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*/

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namespace Smush\Core;

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use Smush\App\Admin;

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use WP_Smush;

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if ( ! defined( 'WPINC' ) ) {

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die;

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}

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/**

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* Class Core

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*/

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class Core extends Stats {

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/**

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* Animated status.

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*

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* @var int

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*/

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const STATUS_ANIMATED = 2;

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/**

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* S3 module

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*

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* @var Integrations\S3

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*/

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public $s3;

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/**

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* NextGen module.

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*

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* @var Integrations\Nextgen

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*/

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public $nextgen;

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/**

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* Modules array.

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*

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* @var Modules

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*/

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public $mod;

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/**

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* Allowed mime types of image.

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*

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* @var array $mime_types

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*/

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public static $mime_types = array(

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'image/jpg',

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'image/jpeg',

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'image/x-citrix-jpeg',

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'image/gif',

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'image/png',

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'image/x-png',

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);

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/**

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* List of external pages where smush needs to be loaded.

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*

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* @var array $pages

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*/

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public static $external_pages = array(

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'nggallery-manage-images',

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'gallery_page_nggallery-manage-gallery',

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'gallery_page_wp-smush-nextgen-bulk',

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'nextgen-gallery_page_nggallery-manage-gallery', // Different since NextGen 3.3.6.

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'nextgen-gallery_page_wp-smush-nextgen-bulk', // Different since NextGen 3.3.6.

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'post',

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'post-new',

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'page',

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'edit-page',

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'upload',

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);

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/**

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* Attachment IDs which are smushed.

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*

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* @var array $smushed_attachments

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*/

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public $smushed_attachments = array();

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/**

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* Unsmushed image IDs.

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*

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* @var array $unsmushed_attachments

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*/

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public $unsmushed_attachments = array();

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/**

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* Skipped attachment IDs.

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*

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* @since 3.0

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*

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* @var array $skipped_attachments

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*/

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public $skipped_attachments = array();

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/**

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* Smushed attachments out of total attachments.

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*

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* @var int $smushed_count

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*/

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public $smushed_count = 0;

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/**

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* Smushed attachments out of total attachments.

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*

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* @var int $remaining_count

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*/

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public $remaining_count = 0;

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/**

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* Images with errors that have been skipped from bulk smushing.

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*

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* @since 3.0

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* @var int $skipped_count

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*/

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public $skipped_count = 0;

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/**

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* Super Smushed attachments count.

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*

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* @var int $super_smushed

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*/

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public $super_smushed = 0;

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/**

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* Total count of attachments for smushing.

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*

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* @var int $total_count

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*/

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public $total_count = 0;

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/**

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* Limit for allowed number of images per bulk request.

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*

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* This is enforced at api level too.

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*

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* @var int

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*/

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const MAX_FREE_BULK = 50;

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/**

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* Initialize modules.

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*

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* @since 2.9.0

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*/

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protected function init() {

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$this->mod = new Modules();

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// Enqueue scripts and initialize variables.

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add_action( 'admin_init', array( $this, 'init_settings' ) );

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// Load integrations.

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add_action( 'init', array( $this, 'load_integrations' ) );

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// Big image size threshold (WordPress 5.3+).

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add_filter( 'big_image_size_threshold', array( $this, 'big_image_size_threshold' ), 10 );

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/**

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* Load NextGen Gallery, instantiate the Async class. if hooked too late or early, auto Smush doesn't

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* work, also load after settings have been saved on init action.

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*/

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add_action( 'plugins_loaded', array( $this, 'load_libs' ), 90 );

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/**

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* Maybe need to load some modules in REST API mode.

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* E.g. S3.

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*/

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add_action( 'rest_api_init', array( $this, 'load_libs_for_rest_api' ), 99 );

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}

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/**

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* Load integrations class.

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*

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* @since 2.8.0

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*/

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public function load_integrations() {

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new Integrations\Common();

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}

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/**

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* Load plugin modules.

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*/

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public function load_libs() {

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$this->wp_smush_async();

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if ( is_admin() ) {

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$this->s3 = new Integrations\S3();

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}

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/**

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* Load NextGen integration on admin or custom ajax request.

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*

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* @since 3.10.0

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*/

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if ( is_admin() || defined( 'NGG_AJAX_SLUG' ) && ! empty( $_REQUEST[ NGG_AJAX_SLUG ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended

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$this->nextgen = new Integrations\Nextgen();

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}

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new Integrations\Gutenberg();

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new Integrations\Composer();

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new Integrations\Gravity_Forms();

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$avada = new Integrations\Avada();

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$avada->init();

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$envira = new Integrations\Envira();

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$envira->init();

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$hummingbird = new Integrations\Hummingbird_Integration();

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$hummingbird->init();

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$woo = new Integrations\WooCommerce();

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$woo->init();

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$amp = new Integrations\AMP_Integration();

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$amp->init();

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$essential_grid = new Integrations\Essential_Grid_Integration();

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$essential_grid->init();

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$elementor = new Integrations\Elementor_Integration();

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$elementor->init();

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// Register logger to schedule cronjob.

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Helper::logger();

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}

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/**

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* Load lib for REST API.

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*/

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public function load_libs_for_rest_api() {

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// Load S3 if there is media REST API.

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if ( ! Helper::is_non_rest_media() && ! $this->s3 ) {

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$this->s3 = new Integrations\S3();

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}

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}

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/**

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* Initialize the Smush Async class.

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*/

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private function wp_smush_async() {

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// Check if Async is disabled.

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if ( defined( 'WP_SMUSH_ASYNC' ) && ! WP_SMUSH_ASYNC ) {

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return;

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}

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// Instantiate class.

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new Modules\Async\Async();

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// Load the Editor Async task only if user logged in or in backend.

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if ( is_admin() && is_user_logged_in() ) {

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new Modules\Async\Editor();

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}

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}

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/**

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* Init settings.

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*/

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public function init_settings() {

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// Initialize Image dimensions.

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$this->mod->smush->image_sizes = $this->image_dimensions();

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}

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/**

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* Localize translations.

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*/

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public function localize() {

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global $current_screen;

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$handle = 'smush-admin';

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$upgrade_url = add_query_arg(

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array(

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'utm_source' => 'smush',

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'utm_medium' => 'plugin',

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'utm_campaign' => 'smush_bulksmush_inline_filesizelimit',

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),

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'https://wpmudev.com/project/wp-smush-pro/'

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);

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$wp_smush_msgs = array(

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'nonce' => wp_create_nonce( 'wp-smush-ajax' ),

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'webp_nonce' => wp_create_nonce( 'wp-smush-webp-nonce' ),

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'settingsUpdated' => esc_html__( 'Your settings have been updated', 'wp-smushit' ),

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'resmush' => esc_html__( 'Super-Smush', 'wp-smushit' ),

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'smush_now' => esc_html__( 'Smush Now', 'wp-smushit' ),

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'error_in_bulk' => esc_html__( '{{smushed}}/{{total}} images smushed successfully, {{errors}} images were not optimized, find out why and how to resolve the issue(s) below.', 'wp-smushit' ),

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'all_failed' => esc_html__( 'All of your images failed to smush. Find out why and how to resolve the issue(s) below.', 'wp-smushit' ),

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'all_resmushed' => esc_html__( 'All images are fully optimized.', 'wp-smushit' ),

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'all_smushed' => esc_html__( 'All attachments have been smushed. Awesome!', 'wp-smushit' ),

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'error_size_limit' => WP_Smush::is_pro() ? '' : sprintf(

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/* translators: %1$s - opening a link <a>, %2$s - Close the link </a> */

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esc_html__( 'Are you hitting the 5MB "size limit exceeded" warning? %1$sUpgrade to Smush Pro%2$s to optimize unlimited image files up to 256Mb each.', 'wp-smushit' ),

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'<a href="' . esc_url( $upgrade_url ) . '" target="_blank">',

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'</a>'

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),

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'processing_cdn_for_free' => sprintf(

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/* translators: %d: Number of CDN PoP locations */

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esc_html__( 'Want to serve images even faster? Get up to 2x more speed with Smush Pro’s CDN, which spans %d servers worldwide.', 'wp-smushit' ),

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Admin::CDN_POP_LOCATIONS

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),

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'processed_cdn_for_free' => sprintf(

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/* translators: %d: Number of CDN PoP locations */

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esc_html__( 'Let images reach your audience faster no matter where your hosting servers are. Smush Pro’s global CDN serves images closer to site visitors via %d worldwide server locations.', 'wp-smushit' ),

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Admin::CDN_POP_LOCATIONS

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),

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'restore' => esc_html__( 'Restoring image...', 'wp-smushit' ),

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'smushing' => esc_html__( 'Smushing image...', 'wp-smushit' ),

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'btn_ignore' => esc_html__( 'Ignore', 'wp-smushit' ),

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'view_detail' => esc_html__( 'View Details', 'wp-smushit' ),

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'membership_valid' => esc_html__( 'We successfully verified your membership, all the Pro features should work completely. ', 'wp-smushit' ),

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'membership_invalid' => esc_html__( "Your membership couldn't be verified.", 'wp-smushit' ),

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'missing_path' => esc_html__( 'Missing file path.', 'wp-smushit' ),

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'failed_item_smushed' => esc_html__( 'Images smushed successfully, No further action required', 'wp-smushit' ),

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// Used by Directory Smush.

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'unfinished_smush_single' => esc_html__( 'image could not be smushed.', 'wp-smushit' ),

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'unfinished_smush' => esc_html__( 'images could not be smushed.', 'wp-smushit' ),

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'already_optimised' => esc_html__( 'Already Optimized', 'wp-smushit' ),

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'ajax_error' => esc_html__( 'Ajax Error', 'wp-smushit' ),

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'generic_ajax_error' => esc_html__( 'Something went wrong with the request. Please reload the page and try again.', 'wp-smushit' ),

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'all_done' => esc_html__( 'All Done!', 'wp-smushit' ),

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'sync_stats' => esc_html__( 'Give us a moment while we sync the stats.', 'wp-smushit' ),

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// Progress bar text.

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'progress_smushed' => esc_html__( 'images optimized', 'wp-smushit' ),

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'bulk_resume' => esc_html__( 'Resume scan', 'wp-smushit' ),

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'bulk_stop' => esc_html__( 'Stop current bulk smush process.', 'wp-smushit' ),

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// Errors.

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'error_ignore' => esc_html__( 'Ignore this image from bulk smushing', 'wp-smushit' ),

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// Ignore text.

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'ignored' => esc_html__( 'Ignored', 'wp-smushit' ),

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'not_processed' => esc_html__( 'Not processed', 'wp-smushit' ),

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// Notices.

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'noticeDismiss' => esc_html__( 'Dismiss', 'wp-smushit' ),

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'noticeDismissTooltip' => esc_html__( 'Dismiss notice', 'wp-smushit' ),

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'tutorialsRemoved' => sprintf( /* translators: %1$s - opening a tag, %2$s - closing a tag */

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esc_html__( 'The widget has been removed. Smush tutorials can still be found in the %1$sTutorials tab%2$s any time.', 'wp-smushit' ),

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'<a href=' . esc_url( menu_page_url( 'smush-tutorials', false ) ) . '>',

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'</a>'

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),

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'smush_cdn_activation_notice' => WP_Smush::is_pro() && ! Settings::get_instance()->is_cdn_active() ?

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sprintf(

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/* translators: 1 - Number of CDN PoP locations, 2 - opening a tag, 3 - closing a tag */

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esc_html__( 'Activate Smush CDN to bulk smush and serve animated GIF’s via %1$d worldwide locations. %2$sActivate CDN%3$s', 'wp-smushit' ),

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Admin::CDN_POP_LOCATIONS,

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'<a href="' . esc_url( network_admin_url( 'admin.php?page=smush-cdn' ) ) . '" />',

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'</a>'

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) :

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'',

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// URLs.

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'smush_url' => network_admin_url( 'admin.php?page=smush' ),

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'bulk_smush_url' => network_admin_url( 'admin.php?page=smush-bulk' ),

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'directory_url' => network_admin_url( 'admin.php?page=smush-directory' ),

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'localWebpURL' => network_admin_url( 'admin.php?page=smush-webp' ),

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'edit_link' => Helper::get_image_media_link( '{{id}}', null, true ),

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'debug_mode' => defined( 'WP_DEBUG' ) && WP_DEBUG,

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'cancel' => esc_html__( 'Cancel', 'wp-smushit' ),

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'cancelling' => esc_html__( 'Cancelling ...', 'wp-smushit' ),

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'recheck_images_link' => Helper::get_recheck_images_link(),

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);

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wp_localize_script( $handle, 'wp_smush_msgs', $wp_smush_msgs );

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if ( 'toplevel_page_smush' === $current_screen->id ) {

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$slug = 'dashboard';

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} else {

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$slug = explode( 'page_smush-', $current_screen->id );

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$slug = isset( $slug[1] ) ? $slug[1] : false;

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}

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// Load the stats on selected screens only.

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if ( $slug && isset( WP_Smush::get_instance()->admin()->pages[ $slug ] ) && method_exists( WP_Smush::get_instance()->admin()->pages[ $slug ], 'dashboard_summary_meta_box' ) ) {

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// Get resmush list, If we have a resmush list already, localize those IDs.

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$resmush_ids = $this->get_resmush_ids();

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if ( $resmush_ids ) {

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// Get the attachments, and get lossless count.

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$this->resmush_ids = $resmush_ids;

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}

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// Get attachments if all the images are not smushed.

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$this->unsmushed_attachments = $this->remaining_count > 0 ? $this->get_unsmushed_attachments() : array();

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$this->unsmushed_attachments = ! empty( $this->unsmushed_attachments ) && is_array( $this->unsmushed_attachments ) ? array_values( $this->unsmushed_attachments ) : $this->unsmushed_attachments;

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$data = $this->get_global_stats();

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} else {

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$data = array(

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'count_supersmushed' => '',

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'count_smushed' => '',

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'count_total' => '',

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'count_images' => '',

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'unsmushed' => '',

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'resmush' => '',

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'savings_bytes' => '',

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'savings_resize' => '',

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'savings_conversion' => '',

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'savings_supersmush' => '',

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'savings_percent' => '',

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'percent_grade' => '',

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'percent_metric' => '',

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'percent_optimized' => '',

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);

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}

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// Check if scanner class is available.

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$scanner_ready = isset( $this->mod->dir->scanner );

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$data['dir_smush'] = array(

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'currentScanStep' => $scanner_ready ? $this->mod->dir->scanner->get_current_scan_step() : 0,

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'totalSteps' => $scanner_ready ? $this->mod->dir->scanner->get_scan_steps() : 0,

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);

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$data['resize_sizes'] = $this->get_max_image_dimensions();

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// Convert it into ms.

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$data['timeout'] = WP_SMUSH_TIMEOUT * 1000;

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wp_localize_script( $handle, 'wp_smushit_data', apply_filters( 'wp_smush_script_data', $data ) );

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}

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/**

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* Check bulk sent count, whether to allow further smushing or not

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*

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* @param bool $reset To hard reset the transient.

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* @param string $key Transient Key - bulk_sent_count/dir_sent_count.

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*

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* TODO: remove this (and all related code) because the limit has been lifted in 3.12.0

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*

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* @return bool

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*/

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public static function check_bulk_limit( $reset = false, $key = 'bulk_sent_count' ) {

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$is_pre_3_12_6_site = get_site_option( 'wp_smush_pre_3_12_6_site' );

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if ( $is_pre_3_12_6_site ) {

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return true;

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}

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$transient_name = 'wp-smush-' . $key;

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// If we JUST need to reset the transient.

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if ( $reset ) {

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set_transient( $transient_name, 0, 60 );

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return false;

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}

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$bulk_sent_count = (int) get_transient( $transient_name );

[449] Fix | Delete

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// Check if bulk smush limit is less than limit.

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if ( ! $bulk_sent_count || $bulk_sent_count < self::MAX_FREE_BULK ) {

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$continue = true;

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} elseif ( $bulk_sent_count === self::MAX_FREE_BULK ) {

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// If user has reached the limit, reset the transient.

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$continue = false;

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$reset = true;

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} else {

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$continue = false;

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}

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// If we need to reset the transient.

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if ( $reset ) {

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set_transient( $transient_name, 0, 60 );

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}

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return $continue;

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}

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[469] Fix | Delete

/**

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* Get registered image sizes with dimension

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*

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* @return array

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*/

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public function image_dimensions() {

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return Helper::get_image_sizes();

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}

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[478] Fix | Delete

/**

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* Get the Maximum Width and Height settings for WrodPress

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*

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* @return array, Array of Max. Width and Height for image.

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*/

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public function get_max_image_dimensions() {

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global $_wp_additional_image_sizes;

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$width = 0;

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$height = 0;

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$limit = 9999; // Post-thumbnail.

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$image_sizes = get_intermediate_image_sizes();

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// If image sizes are filtered and no image size list is returned.

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if ( empty( $image_sizes ) ) {

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return array(

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'width' => $width,

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'height' => $height,

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);

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}

[499] Fix | Delete