update to php7.3

Reference 
sunra#83

Src/Sunra/PhpSimple/simplehtmldom_1_5/simple_html_dom.php

@@ -73,7 +73,7 @@
 // -----------------------------------------------------------------------------
 // get html dom from file
 // $maxlen is defined in the code as PHP_STREAM_COPY_ALL which is defined as -1.
-function file_get_html($url, $use_include_path = false, $context=null, $offset=0, $maxLen=-1, $lowercase = true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
+function file_get_html($url, $use_include_path = false, $context=null, $offset = -1, $maxLen=-1, $lowercase = true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
 {
     // We DO force the tags to be terminated.
     $dom = new simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $stripRN, $defaultBRText, $defaultSpanText);
@@ -693,7 +693,7 @@ protected function parse_selector($selector_string) {
 // This implies that an html attribute specifier may start with an @ sign that is NOT captured by the expression.
 // farther study is required to determine of this should be documented or removed.
 //        $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
-        $pattern = "/([\w-:\*]*)(?:\#([\w-]+)|\.([\w-]+))?(?:\[@?(!?[\w-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
+        $pattern = "/([\w\-:\*]*)(?:\#([\w\-]+)|\.([\w\-]+))?(?:\[@?(!?[\w\-:]+)(?:([!*^$]?=)[\"']?(.*?)[\"']?)?\])?([\/, ]+)/is";
         preg_match_all($pattern, trim($selector_string).' ', $matches, PREG_SET_ORDER);
         if (is_object($debugObject)) {$debugObject->debugLog(2, "Matches Array: ", $matches);}
 
@@ -821,11 +821,11 @@ function convert_text($text)
     }
 
     /**
-    * Returns true if $string is valid UTF-8 and false otherwise.
-    *
-    * @param mixed $str String to be tested
-    * @return boolean
-    */
+     * Returns true if $string is valid UTF-8 and false otherwise.
+     *
+     * @param mixed $str String to be tested
+     * @return boolean
+     */
     static function is_utf8($str)
     {
         $c=0; $b=0;
@@ -899,9 +899,9 @@ function get_display_size()
         {
             // Thanks to user gnarf from stackoverflow for this regular expression.
             $attributes = array();
-            preg_match_all("/([\w-]+)\s*:\s*([^;]+)\s*;?/", $this->attr['style'], $matches, PREG_SET_ORDER);
+            preg_match_all("/([\w\-]+)\s*:\s*([^;]+)\s*;?/", $this->attr['style'], $matches, PREG_SET_ORDER);
             foreach ($matches as $match) {
-              $attributes[$match[1]] = $match[2];
+                $attributes[$match[1]] = $match[2];
             }
 
             // If there is a width in the style attributes:
@@ -947,13 +947,13 @@ function get_display_size()
         // If the class or id is specified in a SEPARATE css file thats not on the page, go get it and do what we were just doing for the ones on the page.
 
         $result = array('height' => $height,
-                        'width' => $width);
+            'width' => $width);
         return $result;
     }
 
     // camel naming conventions
-    function getAllAttributes() {return array_map('html_entity_decode', $this->attr);}
-    function getAttribute($name) {return html_entity_decode($this->__get($name));}
+    function getAllAttributes() {return $this->attr;}
+    function getAttribute($name) {return $this->__get($name);}
     function setAttribute($name, $value) {$this->__set($name, $value);}
     function hasAttribute($name) {return $this->__isset($name);}
     function removeAttribute($name) {$this->__set($name, null);}
@@ -1023,7 +1023,7 @@ class simple_html_dom
         'p'=>array('p'=>1),
         'nobr'=>array('nobr'=>1),
         'b'=>array('b'=>1),
-		'option'=>array('option'=>1),
+        'option'=>array('option'=>1),
     );
 
     function __construct($str=null, $lowercase=true, $forceTagsClosed=true, $target_charset=DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
@@ -1245,7 +1245,7 @@ protected function parse_charset()
         if (empty($charset))
         {
             // Have php try to detect the encoding from the text given to us.
-            $charset = (function_exists('mb_detect_encoding')) ? mb_detect_encoding($this->root->plaintext . "ascii", $encoding_list = array( "UTF-8", "CP1252" ) ) : false;
+            $charset = mb_detect_encoding($this->root->plaintext . "ascii", $encoding_list = array( "UTF-8", "CP1252" ) );
             if (is_object($debugObject)) {$debugObject->debugLog(2, 'mb_detect found: ' . $charset);}
 
             // and if this doesn't work...  then we need to just wrongheadedly assume it's UTF-8 so that we can move on - cause this will usually give us most of what we need...
@@ -1375,7 +1375,7 @@ protected function read_tag()
             return true;
         }
 
-        if (!preg_match("/^[\w-:]+$/", $tag)) {
+        if (!preg_match("/^[\w\-:]+$/", $tag)) {
             $node->_[HDOM_INFO_TEXT] = '<' . $tag . $this->copy_until('<>');
             if ($this->char==='<') {
                 $this->link_nodes($node, false);