Str::upper()
A UTF-8 safe version of strotoupper()
Str::upper(string $string = null): stringParameters
| Name | Type | Default |
|---|---|---|
| $string | string |
null |
Return type
string
A UTF-8 safe version of strotoupper()
Str::upper(string $string = null): string| Name | Type | Default |
|---|---|---|
| $string | string |
null |
string