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<?php |
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/** |
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* @package Fuel\Common |
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* @version 2.0 |
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* @author Fuel Development Team |
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* @license MIT License |
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* @copyright 2010 - 2015 Fuel Development Team |
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* @link http://fuelphp.com |
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*/ |
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namespace Fuel\Common; |
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use DatePeriod; |
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use ArrayAccess; |
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use DateInterval; |
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use DateTime; |
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/** |
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* DatePeriod drop-in replacement, which provides read-only ArrayAccess to the object |
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* |
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* @package Fuel\Common |
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* |
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* @since 2.0 |
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*/ |
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class DateRange extends DatePeriod implements ArrayAccess |
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{ |
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/** |
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* Make the DatePeriod constructor more flexible |
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*/ |
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public function __construct($start, $interval = null, $end = null, $options = null) |
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{ |
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// deal with ISO string calls first |
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if (func_num_args() < 3 and is_string($start)) |
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{ |
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parent::__construct($start, $interval); |
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return; |
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} |
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// make sure $start is a DateTime object |
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if ( ! $start instanceOf DateTime) |
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{ |
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// use Date instead of DateTime, it is more flexible |
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$start = new Date($start); |
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} |
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// we need a DateTime object to continue |
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if ($start instanceOf Date) |
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{ |
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$start = $start->getDateTime(); |
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} |
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// make sure $interval is a DateInterval object |
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if ( ! $interval instanceOf DateInterval) |
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{ |
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$interval = DateInterval::createFromDateString($interval); |
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} |
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// make sure $end is a DateTime object |
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if ( ! $end instanceOf DateTime) |
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{ |
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// recurrences limited to 10000, any larger and we assume its a timestamp |
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if (is_numeric($end) and $end > 10000) |
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{ |
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// use Date instead of DateTime, it is more flexible |
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$end = new Date('@'.$end); |
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} |
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elseif (is_string($end)) |
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{ |
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$end = new Date($end); |
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} |
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} |
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// we need a DateTime object to continue |
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if ($end instanceOf Date) |
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{ |
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$end = $end->getDateTime(); |
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} |
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parent::__construct($start, $interval, $end, $options); |
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} |
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/** |
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* Not implemented |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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// this object is read-only! |
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throw new \RuntimeException('You can not set a value on a read-only DateRange object.'); |
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} |
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/** |
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* Check if a given object exists |
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*/ |
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public function offsetExists($offset) |
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{ |
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foreach ($this as $key => $value) |
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{ |
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if ($key == $offset) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Not implemented |
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*/ |
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public function offsetUnset($offset) |
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{ |
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// this object is read-only! |
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throw new \RuntimeException('You can not unset a value from a read-only DateRange object.'); |
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} |
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/** |
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* |
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*/ |
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public function offsetGet($offset) |
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{ |
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foreach ($this as $key => $value) |
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{ |
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if ($key == $offset) |
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{ |
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return $value; |
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} |
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} |
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return null; |
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} |
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} |
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fuelphp /
common
