Fixed issue with return type in Dom and Selector

Author: paquettg

src/PHPHtmlParser/Dom.php

@@ -419,9 +419,9 @@ public function hasChildren(): bool
      * id.
      *
      * @param string $id
-     * @return \PHPHtmlParser\Dom\AbstractNode
+     * @return \PHPHtmlParser\Dom\AbstractNode|null
      */
-    public function getElementById($id): \PHPHtmlParser\Dom\AbstractNode
+    public function getElementById($id)
     {
         $this->isLoaded();
 

src/PHPHtmlParser/Selector.php

@@ -326,15 +326,15 @@ protected function match(string $operator, string $pattern, string $value): bool
             case '!=':
                 return $value !== $pattern;
             case '^=':
-                return preg_match('/^'.preg_quote($pattern, '/').'/', $value);
+                return preg_match('/^'.preg_quote($pattern, '/').'/', $value) == 1;
             case '$=':
-                return preg_match('/'.preg_quote($pattern, '/').'$/', $value);
+                return preg_match('/'.preg_quote($pattern, '/').'$/', $value) == 1;
             case '*=':
                 if ($pattern[0] == '/') {
-                    return preg_match($pattern, $value);
+                    return preg_match($pattern, $value) == 1;
                 }
 
-                return preg_match("/".$pattern."/i", $value);
+                return preg_match("/".$pattern."/i", $value) == 1;
         }
 
         return false;