<?php

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namespace EmbedPress;

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use Embera\Embera;

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use Embera\ProviderCollection\DefaultProviderCollection;

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use EmbedPress\Includes\Classes\Helper;

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use WP_oEmbed;

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(defined('ABSPATH') && defined('EMBEDPRESS_IS_LOADED')) or die("No direct script access allowed.");

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/**

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* Entity responsible to handle the plugin's shortcode events and behaviors.

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*

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* @package EmbedPress

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* @author EmbedPress <help@embedpress.com>

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* @copyright Copyright (C) 2023 WPDeveloper. All rights reserved.

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* @license GPLv3 or later

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* @since 1.0.0

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*/

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class Shortcode

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{

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/**

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* The WP_oEmbed class instance.

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*

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* @since 1.0.0

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* @access private

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* @static

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*

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* @var WP_oEmbed $oEmbedInstance

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*/

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public static $y = 0;

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private static $oEmbedInstance = null;

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/**

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* The Embera class instance.

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*

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* @since 2.7.4

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* @access private

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* @static

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*

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* @var Embera $embera_instance

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*/

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private static $embera_instance = null;

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/**

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* The DefaultProviderCollection class instance.

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*

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* @since 1.0.0

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* @access private

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* @static

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*

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* @var DefaultProviderCollection $collection

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*/

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private static $collection = null;

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private static $emberaInstanceSettings = [];

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private static $ombed_attributes;

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public static $attributes_data;

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/**

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* Register the plugin's shortcode into WordPress.

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*

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* @return void

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* @since 1.0.0

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* @static

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*

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*/

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public static function register()

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{

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// Register the new shortcode for embeds.

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add_shortcode(EMBEDPRESS_SHORTCODE, ['\\EmbedPress\\Shortcode', 'do_shortcode']);

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add_shortcode('embed_oembed_html', ['\\EmbedPress\\Shortcode', 'do_shortcode']);

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add_shortcode('embedpress', ['\\EmbedPress\\Shortcode', 'do_shortcode']);

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add_shortcode('embedpress_pdf', ['\\EmbedPress\\Shortcode', 'do_shortcode_pdf']);

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}

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/**

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* Method that converts the plugin shortcoded-string into its complex content.

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*

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* @param array $attributes Array of attributes

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* @param string $subject The given string

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*

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* @return string

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* @since 1.0.0

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* @static

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*

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*/

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public static function do_shortcode($attributes = [], $subject = null)

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{

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$plgSettings = Core::getSettings();

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$default = [];

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if ($plgSettings->enableGlobalEmbedResize) {

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$default = [

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'width' => esc_attr($plgSettings->enableEmbedResizeWidth),

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'height' => esc_attr($plgSettings->enableEmbedResizeHeight),

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'powered_by' => !empty($plgSettings->embedpress_document_powered_by) ? esc_attr($plgSettings->embedpress_document_powered_by) : esc_attr('no'),

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];

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}

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if(is_array($attributes)) {

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$attributes = array_map('esc_attr', $attributes);

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}

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$attributes = wp_parse_args($attributes, $default);

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$embed = self::parseContent($subject, true, $attributes);

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if(is_object($embed)) {

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$array = get_object_vars($embed);

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if(!empty($array[$embed->url]['provider_name']) && $array[$embed->url]['provider_name'] === 'Instagram Feed'){

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$embed->embed = '<div class="ep-embed-content-wraper insta-grid">' . $embed->embed . '</div>';

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};

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}

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return is_object($embed) ? $embed->embed : $embed;

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}

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/**

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* Replace a given content with its embeded HTML code.

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*

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* @param string The raw content that will be replaced.

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* @param bool $stripNewLine

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* @param array $customAttributes

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* @return string|object

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* @since 1.0.0

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* @static

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*/

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public static function parseContent($subject, $stripNewLine = false, $customAttributes = [])

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{

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if (!empty($subject)) {

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if (empty($customAttributes)) {

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$customAttributes = self::parseContentAttributesFromString($subject);

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}

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self::set_default_size($customAttributes);

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$url = preg_replace(

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'/(\[' . EMBEDPRESS_SHORTCODE . '(?:\]|.+?\])|\[\/' . EMBEDPRESS_SHORTCODE . '\])/i',

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"",

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$subject

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);

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$uniqid = 'ose-uid-'.md5($url);

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$subject = esc_url($subject);

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// Converts any special HTML entities back to characters.

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$url = htmlspecialchars_decode($url);

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$url = esc_url($url);

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$content_uid = md5($url);

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self::$ombed_attributes = self::parseContentAttributes($customAttributes, $content_uid);

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self::set_embera_settings(self::$ombed_attributes);

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// Identify what service provider the shortcode's link belongs to

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$is_embra_provider = apply_filters('embedpress:isEmbra', false, $url, self::get_embera_settings());

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if ($is_embra_provider || (strpos($url, 'meetup.com') !== false) || (strpos($url, 'sway.office.com') !== false)) {

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$serviceProvider = '';

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} else {

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$serviceProvider = self::get_oembed()->get_provider($url);

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}

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// FIX FOR MEETUP as MEETUP API is OFF, use OUR custom embed

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if ('https://api.meetup.com/oembed' === $serviceProvider) {

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$serviceProvider = '';

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}

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$urlData = self::get_url_data($url, self::$ombed_attributes, $serviceProvider);

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// Sanitize the data

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$urlData = self::sanitizeUrlData($urlData, $url);

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// Stores the original content

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if (is_object($urlData)) {

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$urlData->originalContent = $url;

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}

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$embedResults = apply_filters('embedpress:onBeforeEmbed', $urlData, $subject);

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if (empty($embedResults)) {

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return $subject;

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}

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// Transform all shortcode attributes into html form. I.e.: {foo: "joe"} -> foo="joe"

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$attributesHtml = ['class="ose-{provider_alias} ' . $uniqid .' ose-embedpress-responsive"'];

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//$attributesHtml = [];

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//foreach ( self::$ombed_attributes as $attrName => $attrValue ) {

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// $attributesHtml[] = $attrName . '="' . $attrValue . '"';

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//}

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if (isset($customAttributes['height'])) {

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$height = esc_attr($customAttributes['height']);

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}

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if (isset($customAttributes['width'])) {

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$width = esc_attr($customAttributes['width']);

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$attributesHtml[] = "style=\"width:{$width}px; height:{$height}px; max-height:{$height}px; max-width:100%; display:inline-block;\"";

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}

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// Check if $url is a google shortened url and tries to extract from it which Google service it refers to.

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self::check_for_google_url($url);

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$provider_name = self::get_provider_name($urlData, $url);

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// $html = '{html}';

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// if (strpos($url, 'youtube') !== false) {

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// $html = '<div class="youtube-video">{html}</div>';

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// }

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$embedTemplate = '<div ' . implode(' ', $attributesHtml) . '>{html}</div>';

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$parsedContent = self::get_content_from_template($url, $embedTemplate, $serviceProvider);

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// Replace all single quotes to double quotes. I.e: foo='joe' -> foo="joe"

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$parsedContent = str_replace("'", '"', $parsedContent);

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$parsedContent = str_replace("{provider_alias}", $provider_name, $parsedContent);

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$parsedContent = str_replace('sandbox="allow-scripts"', 'sandbox="allow-modals allow-scripts allow-same-origin allow-popups allow-popups-to-escape-sandbox"', $parsedContent);

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$parsedContent = str_replace('<iframe ', '<iframe allowFullScreen="true" ', $parsedContent);

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self::purify_html_content($parsedContent);

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self::modify_content_for_fb_and_canada($provider_name, $parsedContent);

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unset($embedTemplate, $serviceProvider);

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// This assure that the iframe has the same dimensions the user wants to

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if (isset(self::$emberaInstanceSettings['maxwidth']) || isset(self::$emberaInstanceSettings['maxheight'])) {

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if (isset(self::$emberaInstanceSettings['maxwidth']) && isset(self::$emberaInstanceSettings['maxheight'])) {

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$customWidth = (int) self::$emberaInstanceSettings['maxwidth'];

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$customHeight = (int) self::$emberaInstanceSettings['maxheight'];

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} else {

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if (preg_match('~width="(\d+)"|width\s+:\s+(\d+)~i', $parsedContent, $matches)) {

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$iframeWidth = (int) $matches[1];

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}

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if (preg_match('~height="(\d+)"|height\s+:\s+(\d+)~i', $parsedContent, $matches)) {

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$iframeHeight = (int) $matches[1];

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}

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if (isset($iframeWidth) && isset($iframeHeight) && $iframeWidth > 0 && $iframeHeight > 0) {

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$iframeRatio = ceil($iframeWidth / $iframeHeight);

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if (isset(self::$emberaInstanceSettings['maxwidth'])) {

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$customWidth = (int) self::$emberaInstanceSettings['maxwidth'];

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$customHeight = ceil($customWidth / $iframeRatio);

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} else {

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$customHeight = (int) self::$emberaInstanceSettings['maxheight'];

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$customWidth = $iframeRatio * $customHeight;

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}

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}

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}

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if (isset($customWidth) && isset($customHeight)) {

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if (preg_match('~width="(\d+)"~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~width="(\d+)"~i',

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'width="' . esc_attr($customWidth) . '"',

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$parsedContent

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);

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} elseif (preg_match('~width="({.+})"~i', $parsedContent)) {

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// this block was needed for twitch that has width="{width}" in iframe

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$parsedContent = preg_replace(

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'~width="({.+})"~i',

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'width="' . esc_attr($customWidth) . '"',

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$parsedContent

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);

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}

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if (preg_match('~height="(\d+)"~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~height="(\d+)"~i',

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'height="' . esc_attr($customHeight) . '"',

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$parsedContent

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);

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} elseif (preg_match('~height="({.+})"~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~height="({.+})"~i',

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'height="' . esc_attr($customHeight) . '"',

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$parsedContent

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);

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}

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if (preg_match('~width\s+:\s+(\d+)~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~width\s+:\s+(\d+)~i',

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'width: ' . esc_attr($customWidth),

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$parsedContent

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);

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}

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if (preg_match('~height\s+:\s+(\d+)~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~height\s+:\s+(\d+)~i',

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'height: ' . esc_attr($customHeight),

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$parsedContent

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);

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}

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if ('gfycat' === $provider_name && preg_match('~height\s*:\s*auto\s*;~i', $parsedContent)) {

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$parsedContent = preg_replace(

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'~height\s*:\s*auto\s*~i',

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'height: ' . esc_attr($customHeight) . 'px',

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$parsedContent

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);

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$parsedContent = preg_replace(

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'~style="position:relative;padding-bottom(.+?)"~i',

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'',

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$parsedContent

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);

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$styles = "<style>

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.ose-gfycat.ose-embedpress-responsive{

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position: relative;

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}

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</style>";

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$parsedContent = $styles . $parsedContent;

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}

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}

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}

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if ('the-new-york-times' === $provider_name && isset($customAttributes['height']) && isset($customAttributes['width'])) {

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$height = $customAttributes['height'];

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$width = $customAttributes['width'];

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$styles = <<<KAMAL

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<style>

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.ose-the-new-york-times iframe{

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min-height: auto;

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height: {height}px;

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width: {width}px;

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max-width:100%

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max-height: 100%;

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}

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</style>

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KAMAL;

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$styles = str_replace(['{height}', '{width}'], [esc_attr($height), esc_attr($width)], $styles);

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$parsedContent = $styles . $parsedContent;

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}

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if ($stripNewLine) {

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$parsedContent = preg_replace('/\n/', '', $parsedContent);

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}

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$parsedContent = apply_filters('pp_embed_parsed_content', $parsedContent, $urlData, self::get_oembed_attributes());

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if (!empty($parsedContent)) {

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$embed = (object) array_merge((array) $urlData, [

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'attributes' => (object) self::get_oembed_attributes(),

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'embed' => $parsedContent,

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'url' => $url,

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]);

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$embed = self::modify_spotify_content($embed);

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$embed = apply_filters('embedpress:onAfterEmbed', $embed);

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// Attributes to remove

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$attributesToRemove = 'autoplay;';

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// New attribute to add

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$newAttribute = 'encrypted-media;'.'accelerometer;'.'autoplay;'.'clipboard-write;'.'gyroscope;'.'picture-in-picture';

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// Remove existing attributes

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$embed->embed = str_replace($attributesToRemove, $newAttribute, $embed->embed);

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return $embed;

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}

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}

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return $subject;

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}

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protected static function get_oembed()

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{

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if (!self::$oEmbedInstance) {

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global $wp_version;

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if (version_compare($wp_version, '5.3.0', '>=')) {

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require_once ABSPATH . 'wp-includes/class-wp-oembed.php';

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} else {

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require_once ABSPATH . 'wp-includes/class-oembed.php';

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}

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self::$oEmbedInstance = _wp_oembed_get_object();

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}

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return self::$oEmbedInstance;

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}

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protected static function set_default_size(&$customAttributes)

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{

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$plgSettings = Core::getSettings();

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if (empty($customAttributes['width'])) {

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$customAttributes['width'] = !empty($plgSettings->enableEmbedResizeWidth) ? esc_attr($plgSettings->enableEmbedResizeWidth) : 600;

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}

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if (empty($customAttributes['height'])) {

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$customAttributes['height'] = !empty($plgSettings->enableEmbedResizeHeight) ? esc_attr($plgSettings->enableEmbedResizeHeight) : 550;

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}

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}

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protected static function get_url_data($url, $attributes = [], $serviceProvider = '')

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{

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if (!empty($serviceProvider)) {

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$urlData = self::get_oembed()->fetch($serviceProvider, $url, $attributes);

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} else {

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$urlData = self::get_embera_instance()->getUrlData($url);

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}

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return $urlData;

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}

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// self::$attributes_data = self::$ombed_attributes;

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public static function getAttributesData(){

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self::$attributes_data = self::get_oembed_attributes();

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// return self::get_oembed_attributes();

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return self::$attributes_data;

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}

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/**

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* @return null|Embera

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*/

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public static function get_embera_instance()

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{

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if (!self::$embera_instance) {

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$additionalServiceProviders = Core::getAdditionalServiceProviders();

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if (!empty($additionalServiceProviders)) {

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foreach ($additionalServiceProviders as $serviceProviderClassName => $serviceProviderUrls) {

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self::addServiceProvider($serviceProviderClassName, $serviceProviderUrls);

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}

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unset($serviceProviderUrls, $serviceProviderClassName);

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}

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self::$embera_instance = new Embera(self::get_embera_settings(), self::get_collection());

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} else {

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self::$embera_instance->setConfig(self::get_embera_settings());

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}

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return self::$embera_instance;

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}

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/**

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* Method that adds support to a given new service provider (SP).

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*

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* @param string $className The new SP class name.

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* @param string $reference The new SP reference name.*

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* @return DefaultProviderCollection|bool

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* @since 1.0.0

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* @static

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*

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*/

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public static function addServiceProvider($className, $reference)

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{

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if (empty($className) || empty($reference)) {

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return false;

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}

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if (is_null(self::$collection)) {

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self::$collection = new DefaultProviderCollection();

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}

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if (is_string($reference)) {

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self::$collection->addProvider($reference, $className);

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return self::$collection;

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} elseif (is_array($reference)) {

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foreach ($reference as $serviceProviderUrl) {

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self::addServiceProvider($className, $serviceProviderUrl);

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}

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return self::$collection;

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} else {

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return false;

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}

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}

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/**

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* Method that retrieves all custom parameters from a shortcoded string.

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*

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* @param string $subject The given shortcoded string.

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*

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* @return array

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* @since 1.0.0

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* @static

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*

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*/

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public static function parseContentAttributesFromString($subject)

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