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Resolves issue #2 #5

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Resolves issue #2 #5

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8 changes: 4 additions & 4 deletions src/ReadingTime.php
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Original file line number Diff line number Diff line change
Expand Up @@ -7,24 +7,24 @@ class ReadingTime
private $content;
private $wordsPerMinute = 200;

public function __construct($content)
public function __construct(string $content)
{
$this->content = $content;
}

public function setWordsPerMinute($wordsPerMinute)
public function setWordsPerMinute(int $wordsPerMinute): self
{
$this->wordsPerMinute = $wordsPerMinute;

return $this;
}

public function minutes()
public function minutes(): float
{
return str_word_count($this->content) / $this->wordsPerMinute;
}

public function seconds()
public function seconds(): float
{
return $this->minutes() * 60;
}
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