| @@ 2500-2508 (lines=9) @@ | ||
| 2497 | * @return static |
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| 2498 | * <p>Object with all characters of $str being lowercase.</p> |
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| 2499 | */ |
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| 2500 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
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| 2501 | { |
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| 2502 | return static::create( |
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| 2503 | $this->utf8::strtolower( |
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| 2504 | $this->str, |
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| 2505 | $this->encoding, |
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| 2506 | false, |
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| 2507 | $lang, |
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| 2508 | $tryToKeepStringLength |
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| 2509 | ), |
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| 2510 | $this->encoding |
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| 2511 | ); |
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| @@ 2600-2606 (lines=7) @@ | ||
| 2597 | * @return static |
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| 2598 | * <p>Object with all characters of $str being uppercase.</p> |
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| 2599 | */ |
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| 2600 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
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| 2601 | { |
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| 2602 | return static::create( |
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| 2603 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
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| 2604 | $this->encoding |
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| 2605 | ); |
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| 2606 | } |
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| 2607 | ||
| 2608 | /** |
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| 2609 | * Returns a string with whitespace removed from the start and end of the |
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