/**
* Crop a string to ``maximumCharacters`` length, taking sentences into account,
* optionally appending ``suffix`` if cropping was necessary.
*
* @param string $string The input string
* @param integer $maximumCharacters Number of characters where cropping should happen
* @param string $suffix Suffix to be appended if cropping was necessary
* @return string The cropped string
*/
public function cropAtSentence($string, $maximumCharacters, $suffix = '')
{
if (UnicodeFunctions::strlen($string) > $maximumCharacters) {
$iterator = new TextIterator($string, TextIterator::SENTENCE);
$string = UnicodeFunctions::substr($string, 0, $iterator->preceding($maximumCharacters));
$string .= $suffix;
}
return $string;
}
/**
* Checks if the "preceding" method basically works with word iteration
*
* @test
*/
public function precedingBasicallyWorks()
{
$iterator = new TextIterator('This is a test string. Let\'s iterate it by word', TextIterator::WORD);
$this->assertEquals($iterator->preceding(11), 10, 'Wrong offset for the preceding element returned.' . $iterator->preceding(11));
}