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<?php
namespace phpmock\functions;
use InvalidArgumentException;
/**
* Mock function for date() which returns always the same time.
*
* @author Markus Malkusch <markus@malkusch.de>
* @link bitcoin:1335STSwu9hST4vcMRppEPgENMHD2r1REK Donations
* @license http://www.wtfpl.net/txt/copying/ WTFPL
*/
class FixedDateFunction implements FunctionProvider, Incrementable
{
/**
* @var int the timestamp.
*/
private $timestamp;
/**
* Set the timestamp.
*
* @param int $timestamp The timestamp, if ommited the current time.
*/
public function __construct($timestamp = null)
{
if (is_null($timestamp)) {
$timestamp = \time();
}
if (!is_numeric($timestamp)) {
throw new InvalidArgumentException('Timestamp should be numeric');
}
$this->timestamp = $timestamp;
}
/**
* Returns the mocked date() function.
*
* @return callable The callable for this object.
*/
public function getCallable()
{
return function ($format, $timestamp = null) {
if (is_null($timestamp)) {
$timestamp = $this->timestamp;
}
return \date($format, $timestamp);
};
}
public function increment($increment)
{
$this->timestamp += (int) $increment;
}
}
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