Extends pQuery to use UTF-8 encoding on older versions of PHP

lib/Util/pQuery/pQuery.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace MailPoet\Util\pQuery;
+
+// extend pQuery class to use UTF-8 encoding when getting elements' inner/outer text
+class pQuery extends \pQuery {
+  public static function parseStr($html) {
+    $parser = new Html5Parser($html);
+    return $parser->root;
+  }
+}
+
+class Html5Parser extends \pQuery\HtmlParser {
+  var $root = 'MailPoet\Util\pQuery\DomNode';
+}
+
+class DomNode extends \pQuery\DomNode {
+  var $childClass = 'MailPoet\Util\pQuery\DomNode';
+
+  function getInnerText() {
+    return html_entity_decode($this->toString(true, true, 1), ENT_QUOTES | ENT_HTML5, 'UTF-8');
+  }
+
+  function getOuterText() {
+    return html_entity_decode($this->toString(), ENT_QUOTES | ENT_HTML5, 'UTF-8');
+  }
+}