RelativeKeywordTrait.php
1.35 KB
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<?php
/**
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice. Provides various operator methods for datetime
* objects.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @copyright Copyright (c) Brian Nesbitt <brian@nesbot.com>
* @link http://cakephp.org CakePHP(tm) Project
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Chronos\Traits;
/**
* Provides methods for testing if strings contain relative keywords.
*/
trait RelativeKeywordTrait
{
protected static $relativePattern = '/this|next|last|tomorrow|yesterday|today|[+-]|first|last|ago/i';
/**
* Determine if there is a relative keyword in the time string, this is to
* create dates relative to now for test instances. e.g.: next tuesday
*
* @param string $time The time string to check.
* @return bool true if there is a keyword, otherwise false
*/
public static function hasRelativeKeywords($time)
{
// skip common format with a '-' in it
if (preg_match('/[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}/', $time) !== 1) {
return preg_match(static::$relativePattern, $time) > 0;
}
return false;
}
}