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<?php
namespace Codeception;
use Traversable;
class Example implements \ArrayAccess, \Countable, \IteratorAggregate
{
protected $data;
public function __construct($data)
{
$this->data = $data;
}
/**
* Whether a offset exists
* @link http://php.net/manual/en/arrayaccess.offsetexists.php
* @param mixed $offset <p>
* An offset to check for.
* </p>
* @return boolean true on success or false on failure.
* </p>
* <p>
* The return value will be casted to boolean if non-boolean was returned.
* @since 5.0.0
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->data);
}
/**
* Offset to retrieve
* @link http://php.net/manual/en/arrayaccess.offsetget.php
* @param mixed $offset <p>
* The offset to retrieve.
* </p>
* @return mixed Can return all value types.
* @since 5.0.0
*/
public function offsetGet($offset)
{
if (!$this->offsetExists($offset)) {
throw new \PHPUnit\Framework\AssertionFailedError("Example $offset doesn't exist");
};
return $this->data[$offset];
}
/**
* Offset to set
* @link http://php.net/manual/en/arrayaccess.offsetset.php
* @param mixed $offset <p>
* The offset to assign the value to.
* </p>
* @param mixed $value <p>
* The value to set.
* </p>
* @return void
* @since 5.0.0
*/
public function offsetSet($offset, $value)
{
$this->data[$offset] = $value;
}
/**
* Offset to unset
* @link http://php.net/manual/en/arrayaccess.offsetunset.php
* @param mixed $offset <p>
* The offset to unset.
* </p>
* @return void
* @since 5.0.0
*/
public function offsetUnset($offset)
{
unset($this->data[$offset]);
}
/**
* Count elements of an object
* @link http://php.net/manual/en/countable.count.php
* @return int The custom count as an integer.
* </p>
* <p>
* The return value is cast to an integer.
* @since 5.1.0
*/
public function count()
{
return count($this->data);
}
/**
* Retrieve an external iterator
* @link http://php.net/manual/en/iteratoraggregate.getiterator.php
* @return Traversable An instance of an object implementing <b>Iterator</b> or
* <b>Traversable</b>
* @since 5.0.0
*/
public function getIterator()
{
return new \ArrayIterator($this->data);
}
}