Warning: Undefined variable $argv in E:\dev\websites\xampp\htdocs\mlsgrid\bin\sync.php on line 23

Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in E:\dev\websites\xampp\htdocs\mlsgrid\bin\sync.php:23 Stack trace: #0 E:\dev\websites\xampp\htdocs\mlsgrid\bin\sync.php(23): in_array('--initial', NULL, true) #1 {main} thrown in E:\dev\websites\xampp\htdocs\mlsgrid\bin\sync.php on line 23