Warning: file_get_contents(keys.json) [function.file-get-contents]: Failed to open stream: No such file or directory in /users/pablo/www/Neues Verzeichnis/test.php on line 2

Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /users/pablo/www/Neues Verzeichnis/test.php:4 Stack trace: #0 /users/pablo/www/Neues Verzeichnis/test.php(4): array_keys(NULL) #1 {main} thrown in /users/pablo/www/Neues Verzeichnis/test.php on line 4