| @@ 2302-2310 (lines=9) @@ | ||
| 2299 | * @return static |
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| 2300 | * <p>Object with all characters of $str being lowercase.</p> |
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| 2301 | */ |
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| 2302 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
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| 2303 | { |
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| 2304 | return static::create( |
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| 2305 | $this->utf8::strtolower( |
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| 2306 | $this->str, |
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| 2307 | $this->encoding, |
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| 2308 | false, |
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| 2309 | $lang, |
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| 2310 | $tryToKeepStringLength |
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| 2311 | ), |
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| 2312 | $this->encoding |
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| 2313 | ); |
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| @@ 2402-2408 (lines=7) @@ | ||
| 2399 | * @return static |
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| 2400 | * <p>Object with all characters of $str being uppercase.</p> |
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| 2401 | */ |
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| 2402 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
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| 2403 | { |
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| 2404 | return static::create( |
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| 2405 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
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| 2406 | $this->encoding |
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| 2407 | ); |
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| 2408 | } |
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| 2409 | ||
| 2410 | /** |
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| 2411 | * Returns a string with whitespace removed from the start and end of the |
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