fixed wp3.6. issues

Author: dimsemenov

admin/admin-functions.php

@@ -72,7 +72,7 @@ function of_get_header_classes_array() {
 		foreach ($of_options as $value) {
 
 			if ($value['type'] == 'heading') {
-				$hooks[] = ereg_replace("[^A-Za-z0-9]", "", strtolower($value['name']) );
+				$hooks[] = preg_replace("/[^A-Za-z0-9]/", "", strtolower($value['name']) );
 			}
 
 		}

admin/admin-interface.php

@@ -1136,8 +1136,8 @@ public static function optionsframework_machine($options) {
 			if($counter >= 2){
 			   $output .= '</div>'."\n";
 			}
-			$header_class = ereg_replace("[^A-Za-z0-9]", "", strtolower($value['name']) );
-			$jquery_click_hook = ereg_replace("[^A-Za-z0-9]", "", strtolower($value['name']) );
+			$header_class = preg_replace("/[^A-Za-z0-9]/", "", strtolower($value['name']) );
+			$jquery_click_hook = preg_replace("/[^A-Za-z0-9]/", "", strtolower($value['name']) );
 			$jquery_click_hook = "of-option-" . $jquery_click_hook;
 			$menu .= '<li class="'. $header_class .'"><a title="'.  $value['name'] .'" href="#'.  $jquery_click_hook  .'">'.  $value['name'] .'</a></li>';
 			$output .= '<div class="group" id="'. $jquery_click_hook  .'"><h2>'.$value['name'].'</h2>'."\n";