| @@ 3655-3663 (lines=9) @@ | ||
| 3652 | * @return static |
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| 3653 | * <p>Object with all characters of $str being lowercase.</p> |
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| 3654 | */ |
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| 3655 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
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| 3656 | { |
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| 3657 | return static::create( |
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| 3658 | $this->utf8::strtolower( |
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| 3659 | $this->str, |
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| 3660 | $this->encoding, |
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| 3661 | false, |
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| 3662 | $lang, |
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| 3663 | $tryToKeepStringLength |
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| 3664 | ), |
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| 3665 | $this->encoding |
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| 3666 | ); |
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| @@ 3787-3793 (lines=7) @@ | ||
| 3784 | * @return static |
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| 3785 | * <p>Object with all characters of $str being uppercase.</p> |
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| 3786 | */ |
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| 3787 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
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| 3788 | { |
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| 3789 | return static::create( |
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| 3790 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
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| 3791 | $this->encoding |
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| 3792 | ); |
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| 3793 | } |
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| 3794 | ||
| 3795 | /** |
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| 3796 | * Returns a string with whitespace removed from the start and end of the |
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