From a838279625becfba98ccb7635d35c67297129c42 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 28 Jul 2016 16:40:12 +0300
Subject: Remove dead code written for PHP 5.2

---
 system/helpers/date_helper.php | 79 +++++++-----------------------------------
 1 file changed, 12 insertions(+), 67 deletions(-)

(limited to 'system/helpers')

diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index c43209f05..5f1fcf07e 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -707,87 +707,32 @@ if ( ! function_exists('date_range'))
 
 		$range = array();
 
-		/* NOTE: Even though the DateTime object has many useful features, it appears that
-		 *	 it doesn't always handle properly timezones, when timestamps are passed
-		 *	 directly to its constructor. Neither of the following gave proper results:
-		 *
-		 *		new DateTime('<timestamp>')
-		 *		new DateTime('<timestamp>', '<timezone>')
-		 *
-		 *	 --- available in PHP 5.3:
-		 *
-		 *		DateTime::createFromFormat('<format>', '<timestamp>')
-		 *		DateTime::createFromFormat('<format>', '<timestamp>', '<timezone')
-		 *
-		 *	 ... so we'll have to set the timestamp after the object is instantiated.
-		 *	 Furthermore, in PHP 5.3 we can use DateTime::setTimestamp() to do that and
-		 *	 given that we have UNIX timestamps - we should use it.
-		*/
 		$from = new DateTime();
+		$from->setTimestamp($unix_start);
 
-		if (is_php('5.3'))
-		{
-			$from->setTimestamp($unix_start);
-			if ($is_unix)
-			{
-				$arg = new DateTime();
-				$arg->setTimestamp($mixed);
-			}
-			else
-			{
-				$arg = (int) $mixed;
-			}
-
-			$period = new DatePeriod($from, new DateInterval('P1D'), $arg);
-			foreach ($period as $date)
-			{
-				$range[] = $date->format($format);
-			}
-
-			/* If a period end date was passed to the DatePeriod constructor, it might not
-			 * be in our results. Not sure if this is a bug or it's just possible because
-			 * the end date might actually be less than 24 hours away from the previously
-			 * generated DateTime object, but either way - we have to append it manually.
-			 */
-			if ( ! is_int($arg) && $range[count($range) - 1] !== $arg->format($format))
-			{
-				$range[] = $arg->format($format);
-			}
-
-			return $range;
-		}
-
-		$from->setDate(date('Y', $unix_start), date('n', $unix_start), date('j', $unix_start));
-		$from->setTime(date('G', $unix_start), date('i', $unix_start), date('s', $unix_start));
 		if ($is_unix)
 		{
 			$arg = new DateTime();
-			$arg->setDate(date('Y', $mixed), date('n', $mixed), date('j', $mixed));
-			$arg->setTime(date('G', $mixed), date('i', $mixed), date('s', $mixed));
+			$arg->setTimestamp($mixed);
 		}
 		else
 		{
 			$arg = (int) $mixed;
 		}
-		$range[] = $from->format($format);
 
-		if (is_int($arg)) // Day intervals
+		$period = new DatePeriod($from, new DateInterval('P1D'), $arg);
+		foreach ($period as $date)
 		{
-			do
-			{
-				$from->modify('+1 day');
-				$range[] = $from->format($format);
-			}
-			while (--$arg > 0);
+			$range[] = $date->format($format);
 		}
-		else // end date UNIX timestamp
-		{
-			for ($from->modify('+1 day'), $end_check = $arg->format('Ymd'); $from->format('Ymd') < $end_check; $from->modify('+1 day'))
-			{
-				$range[] = $from->format($format);
-			}
 
-			// Our loop only appended dates prior to our end date
+		/* If a period end date was passed to the DatePeriod constructor, it might not
+		 * be in our results. Not sure if this is a bug or it's just possible because
+		 * the end date might actually be less than 24 hours away from the previously
+		 * generated DateTime object, but either way - we have to append it manually.
+		 */
+		if ( ! is_int($arg) && $range[count($range) - 1] !== $arg->format($format))
+		{
 			$range[] = $arg->format($format);
 		}
 
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