Fatal error: Uncaught TypeError: array_search(): Argument #2 ($haystack) must be of type array, null given in /homepages/19/d348727423/htdocs/com/empleo.php:60 Stack trace: #0 /homepages/19/d348727423/htdocs/com/empleo.php(60): array_search('hi', NULL) #1 {main} thrown in /homepages/19/d348727423/htdocs/com/empleo.php on line 60