| @@ -32,7 +32,7 @@ discard block | ||
| 32 | 32 | * Get the first element of an array. Useful for method chaining. | 
| 33 | 33 | * | 
| 34 | 34 | * @param array $array | 
| 35 | - * @return mixed | |
| 35 | + * @return string | |
| 36 | 36 | */ | 
| 37 | 37 | function head($array) | 
| 38 | 38 |      { | 
| @@ -417,7 +417,7 @@ discard block | ||
| 417 | 417 | |
| 418 | 418 | /** | 
| 419 | 419 | * Check if array is not null and not empty. | 
| 420 | - * @param $array | |
| 420 | + * @param string[] $array | |
| 421 | 421 | * @return bool | 
| 422 | 422 | */ | 
| 423 | 423 | function isNotNullOrEmptyArray($array): bool |