From 7ca7d8e045521794af0c43fcb0a81da7db1084d1 Mon Sep 17 00:00:00 2001
From: Matias Griese <matias@trilbymedia.com>
Date: Fri, 7 May 2021 13:23:38 +0300
Subject: [PATCH] Allow optional start date in page collections [#3350]

---
 CHANGELOG.md                                               | 4 +++-
 system/src/Grav/Common/Flex/Types/Pages/PageCollection.php | 4 ++--
 system/src/Grav/Common/Page/Collection.php                 | 6 +++---
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb5589a8f..c289d7a8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,12 @@
 # v1.7.15
 ## mm/dd/2021
 
+1. [](#improved)
+    * Allow optional start date in page collections [#3350](https://github.com/getgrav/grav/pull/3350)
 1. [](#bugfix)
     * Fixed twig deprecated TwigFilter messages [#3348](https://github.com/getgrav/grav/issues/3348)
     * Fixed fatal error with some markdown links [grav-premium-issues#95](https://github.com/getgrav/grav-premium-issues/issues/95)
-    * Fixed markdown media operations not working when using `image:// stream` [#3333](https://github.com/getgrav/grav/issues/3333) [#3349](https://github.com/getgrav/grav/issues/3349)
+    * Fixed markdown media operations not working when using `image://` stream [#3333](https://github.com/getgrav/grav/issues/3333) [#3349](https://github.com/getgrav/grav/issues/3349)
 
 # v1.7.14
 ## 04/29/2021
diff --git a/system/src/Grav/Common/Flex/Types/Pages/PageCollection.php b/system/src/Grav/Common/Flex/Types/Pages/PageCollection.php
index 781d25afe..cdd609bcd 100644
--- a/system/src/Grav/Common/Flex/Types/Pages/PageCollection.php
+++ b/system/src/Grav/Common/Flex/Types/Pages/PageCollection.php
@@ -438,8 +438,8 @@ class PageCollection extends FlexPageCollection implements PageCollectionInterfa
      */
     public function dateRange($startDate = null, $endDate = null, $field = null)
     {
-        $start = $startDate ? Utils::date2timestamp($startDate) : false;
-        $end = $endDate ? Utils::date2timestamp($endDate) : false;
+        $start = $startDate ? Utils::date2timestamp($startDate) : null;
+        $end = $endDate ? Utils::date2timestamp($endDate) : null;
 
         $entries = [];
         foreach ($this as $key => $object) {
diff --git a/system/src/Grav/Common/Page/Collection.php b/system/src/Grav/Common/Page/Collection.php
index 643f8516a..83013fb17 100644
--- a/system/src/Grav/Common/Page/Collection.php
+++ b/system/src/Grav/Common/Page/Collection.php
@@ -331,14 +331,14 @@ class Collection extends Iterator implements PageCollectionInterface
      */
     public function dateRange($startDate = null, $endDate = null, $field = null)
     {
-        $start = $startDate ? Utils::date2timestamp($startDate) : false;
-        $end = $endDate ? Utils::date2timestamp($endDate) : false;
+        $start = $startDate ? Utils::date2timestamp($startDate) : null;
+        $end = $endDate ? Utils::date2timestamp($endDate) : null;
 
         $date_range = [];
         foreach ($this->items as $path => $slug) {
             $page = $this->pages->get($path);
             if (!$page) {
-                continue ;
+                continue;
             }
 
             $date = $field ? strtotime($page->value($field)) : $page->date();