ExplodeStrategy.php in Zircon Profile 8

Namespace

Zend\Hydrator\Strategy

File

vendor/zendframework/zend-hydrator/src/Strategy/ExplodeStrategy.php

<?php

/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */
namespace Zend\Hydrator\Strategy;

class ExplodeStrategy implements StrategyInterface {

  /**
   * @var string
   */
  private $valueDelimiter;

  /**
   * @var int|null
   */
  private $explodeLimit;

  /**
   * Constructor
   *
   * @param string   $delimiter    String that the values will be split upon
   * @param int|null $explodeLimit Explode limit
   */
  public function __construct($delimiter = ',', $explodeLimit = null) {
    $this
      ->setValueDelimiter($delimiter);
    $this->explodeLimit = $explodeLimit === null ? null : (int) $explodeLimit;
  }

  /**
   * Sets the delimiter string that the values will be split upon
   *
   * @param  string $delimiter
   * @return self
   */
  private function setValueDelimiter($delimiter) {
    if (!is_string($delimiter)) {
      throw new Exception\InvalidArgumentException(sprintf('%s expects Delimiter to be string, %s provided instead', __METHOD__, is_object($delimiter) ? get_class($delimiter) : gettype($delimiter)));
    }
    if (empty($delimiter)) {
      throw new Exception\InvalidArgumentException('Delimiter cannot be empty.');
    }
    $this->valueDelimiter = $delimiter;
  }

  /**
   * {@inheritDoc}
   *
   * Split a string by delimiter
   *
   * @param string|null $value
   *
   * @return string[]
   *
   * @throws Exception\InvalidArgumentException
   */
  public function hydrate($value) {
    if (null === $value) {
      return [];
    }
    if (!(is_string($value) || is_numeric($value))) {
      throw new Exception\InvalidArgumentException(sprintf('%s expects argument 1 to be string, %s provided instead', __METHOD__, is_object($value) ? get_class($value) : gettype($value)));
    }
    if ($this->explodeLimit !== null) {
      return explode($this->valueDelimiter, $value, $this->explodeLimit);
    }
    return explode($this->valueDelimiter, $value);
  }

  /**
   * {@inheritDoc}
   *
   * Join array elements with delimiter
   *
   * @param string[] $value The original value.
   *
   * @return string|null
   */
  public function extract($value) {
    if (!is_array($value)) {
      throw new Exception\InvalidArgumentException(sprintf('%s expects argument 1 to be array, %s provided instead', __METHOD__, is_object($value) ? get_class($value) : gettype($value)));
    }
    return empty($value) ? null : implode($this->valueDelimiter, $value);
  }

}

Classes

Name	Description
ExplodeStrategy