| @@ 2304-2312 (lines=9) @@ | ||
| 2301 | * @return static |
|
| 2302 | * <p>Object with all characters of $str being lowercase.</p> |
|
| 2303 | */ |
|
| 2304 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
|
| 2305 | { |
|
| 2306 | return static::create( |
|
| 2307 | $this->utf8::strtolower( |
|
| 2308 | $this->str, |
|
| 2309 | $this->encoding, |
|
| 2310 | false, |
|
| 2311 | $lang, |
|
| 2312 | $tryToKeepStringLength |
|
| 2313 | ), |
|
| 2314 | $this->encoding |
|
| 2315 | ); |
|
| @@ 2404-2410 (lines=7) @@ | ||
| 2401 | * @return static |
|
| 2402 | * <p>Object with all characters of $str being uppercase.</p> |
|
| 2403 | */ |
|
| 2404 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
|
| 2405 | { |
|
| 2406 | return static::create( |
|
| 2407 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
|
| 2408 | $this->encoding |
|
| 2409 | ); |
|
| 2410 | } |
|
| 2411 | ||
| 2412 | /** |
|
| 2413 | * Returns a string with whitespace removed from the start and end of the |
|