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Delimiter.php
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Delimiter.php
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<?php
/**
* JulLib ©2015 Julien <youlweb@hotmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Jul\Lib\String\Tokenizer;
/**
* Break a string down into an array of terms using a delimiter.
*
* The delimiter is set at instantiation and cannot be changed.
* @author Julien <youlweb@hotmail.com>
*/
class Delimiter implements DelimiterInterface
{
/**
* @var string
*/
private $_delimiter;
/**
* @param string $delimiter The string used to break down the input string.
* @throws TokenizerException If the delimiter is too short.
*/
public function __construct($delimiter)
{
if (strlen($delimiter) < 1) {
throw new TokenizerException('The delimiter is too short.');
}
$this->_delimiter = $delimiter;
}
/** {@inheritDoc} */
public function getDelimiter()
{
return $this->_delimiter;
}
/**
* Split the input string into an array of tokens.
*
* Empty elements present in the output array as a result of consecutive,
* or leading/trailing delimiters are automatically removed.
* @param string $string
* @return string[]
*/
public function tokenize($string)
{
return array_values(array_filter(explode($this->getDelimiter(), $string), 'strlen'));
}
}