From bf1c5370548a7e828837f581cdd95c8ffdc7e61f Mon Sep 17 00:00:00 2001
From: Akex <a.plokhikh.sas@gmail.com>
Date: Thu, 4 Apr 2024 11:03:54 +0500
Subject: [PATCH] first task done

---
 app/index.php                | 10 ++++++++++
 app/repository/SortPrice.php | 31 +++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 app/index.php
 create mode 100644 app/repository/SortPrice.php

diff --git a/app/index.php b/app/index.php
new file mode 100644
index 0000000..c228b39
--- /dev/null
+++ b/app/index.php
@@ -0,0 +1,10 @@
+<?php
+require_once('repository/SortPrice.php');
+
+$array = [  ['price'=>10, 'count'=>2],  ['price'=>5, 'count'=>5],  ['price'=>8, 'count'=>5],  ['price'=>12, 'count'=>4],  ['price'=>8, 'count'=>4], ];
+$array = sortPrice($array);
+var_dump($array);
+
+
+
+
diff --git a/app/repository/SortPrice.php b/app/repository/SortPrice.php
new file mode 100644
index 0000000..2b7a69d
--- /dev/null
+++ b/app/repository/SortPrice.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Выполняет сортировку массива по убыванию цены
+ * @param array $array
+ * @return array
+ */
+function sortPrice(array $array): array {
+    $keyPriceArray = [];
+
+    foreach ($array as $tuple) {
+        $key = $tuple['price'];
+        $item = $tuple['count'];
+        $keyPriceArray[$key][] = $item;
+    }
+    krsort($keyPriceArray);
+
+    $returnableArray = [];
+    foreach ($keyPriceArray as $key => $item){
+        asort($item);
+        foreach ($item as $oneOfItem){
+            $returnableArray[] = [
+                [
+                    'price'=>$key,
+                    'count'=>$oneOfItem
+                ]
+            ];
+        }
+    }
+
+    return $returnableArray;
+}
\ No newline at end of file
-- 
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