1 files changed, 3 insertions, 1 deletions
diff --git a/it.class b/it.class
index 4d6d875..e31afd1 100644
--- a/it.class
+++ b/it.class
@@ -323,12 +323,14 @@ static function convertregex($pattern, $p = array())
 	if (!$p['casesensitive'])
 		$modifiers .= 'i';
 
+	if ($p['exec'])
+		it::fatal("Option exec to it::replace has been removed for security reasons");
+
 	foreach (array(
 			'multiline'  => 'm',
 			'singleline' => 's',
 			'utf8'       => 'u',
 			'extended'   => 'x',
-			'exec'       => 'e',
 		) as $key => $mod)
 	{
 		if ($p[$key])