@@ 3685-3693 (lines=9) @@ | ||
3682 | * @return static |
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3683 | * <p>Object with all characters of $str being lowercase.</p> |
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3684 | */ |
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3685 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
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3686 | { |
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3687 | return static::create( |
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3688 | $this->utf8::strtolower( |
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3689 | $this->str, |
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3690 | $this->encoding, |
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3691 | false, |
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3692 | $lang, |
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3693 | $tryToKeepStringLength |
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3694 | ), |
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3695 | $this->encoding |
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3696 | ); |
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@@ 3817-3823 (lines=7) @@ | ||
3814 | * @return static |
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3815 | * <p>Object with all characters of $str being uppercase.</p> |
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3816 | */ |
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3817 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
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3818 | { |
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3819 | return static::create( |
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3820 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
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3821 | $this->encoding |
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3822 | ); |
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3823 | } |
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3824 | ||
3825 | /** |
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3826 | * Returns a string with whitespace removed from the start and end of the |