@@ 4422-4430 (lines=9) @@ | ||
4419 | * @return static |
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4420 | * <p>Object with all characters of $str being lowercase.</p> |
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4421 | */ |
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4422 | public function toLowerCase($tryToKeepStringLength = false, $lang = null): self |
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4423 | { |
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4424 | return static::create( |
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4425 | $this->utf8::strtolower( |
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4426 | $this->str, |
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4427 | $this->encoding, |
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4428 | false, |
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4429 | $lang, |
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4430 | $tryToKeepStringLength |
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4431 | ), |
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4432 | $this->encoding |
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4433 | ); |
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@@ 4577-4583 (lines=7) @@ | ||
4574 | * @return static |
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4575 | * <p>Object with all characters of $str being uppercase.</p> |
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4576 | */ |
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4577 | public function toUpperCase($tryToKeepStringLength = false, $lang = null): self |
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4578 | { |
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4579 | return static::create( |
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4580 | $this->utf8::strtoupper($this->str, $this->encoding, false, $lang, $tryToKeepStringLength), |
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4581 | $this->encoding |
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4582 | ); |
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4583 | } |
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4584 | ||
4585 | /** |
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4586 | * Returns a string with whitespace removed from the start and end of the |