3 namespace Illuminate\Contracts\Config
;
8 * Determine if the given configuration value exists.
13 public function has($key);
16 * Get the specified configuration value.
18 * @param array|string $key
19 * @param mixed $default
22 public function get($key, $default = null);
25 * Get all of the configuration items for the application.
29 public function all();
32 * Set a given configuration value.
34 * @param array|string $key
38 public function set($key, $value = null);
41 * Prepend a value onto an array configuration value.
47 public function prepend($key, $value);
50 * Push a value onto an array configuration value.
56 public function push($key, $value);