php-school /
learn-you-php
| @@ 391-402 (lines=12) @@ | ||
| 388 | * @param int $n Number of characters to retrieve from the start |
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| 389 | * @return Stringy Object with its $str being the first $n chars |
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| 390 | */ |
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| 391 | public function first($n) |
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| 392 | { |
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| 393 | $stringy = static::create($this->str, $this->encoding); |
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| 394 | ||
| 395 | if ($n < 0) { |
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| 396 | $stringy->str = ''; |
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| 397 | } else { |
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| 398 | return $stringy->substr(0, $n); |
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| 399 | } |
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| 400 | ||
| 401 | return $stringy; |
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| 402 | } |
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| 403 | ||
| 404 | /** |
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| 405 | * Returns the encoding used by the Stringy object. |
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| @@ 641-652 (lines=12) @@ | ||
| 638 | * @param int $n Number of characters to retrieve from the end |
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| 639 | * @return Stringy Object with its $str being the last $n chars |
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| 640 | */ |
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| 641 | public function last($n) |
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| 642 | { |
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| 643 | $stringy = static::create($this->str, $this->encoding); |
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| 644 | ||
| 645 | if ($n <= 0) { |
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| 646 | $stringy->str = ''; |
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| 647 | } else { |
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| 648 | return $stringy->substr(-$n); |
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| 649 | } |
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| 650 | ||
| 651 | return $stringy; |
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| 652 | } |
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| 653 | ||
| 654 | /** |
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| 655 | * Returns the length of the string. An alias for PHP's mb_strlen() function. |
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