some practising

Koterov-php-training/methods_of_classes/index.php

@@ -111,4 +111,26 @@ echo"А теперь - {$objs[0]->getCount()} объекстов.<br/>";
 
 $objs = [];
 
-echo 'Под конец осталось - '. Counter::getCount() .'  Объектов. <br/><br/>';
+echo 'Под конец осталось - '. Counter::getCount() .'  Объектов. <br/><br/>';
+
+// require_once "minmax.php";
+
+// $obj = new MinMax();
+// echo $obj->min(43, 18, 5, 61, 23, 10, 56, 36);
+// echo '<br/>';
+// echo $obj->max(43, 18, 5, 61, 23);
+// echo '<br/><br/>';
+
+require_once "minmax_alter.php";
+$obj = new MinMaxAlt();
+echo $obj->min(43, 18, 5, 61, 23, 10, 56, 36);
+echo '<br/>';
+echo $obj->max(43, 18, 5, 61, 23);
+echo '<br/><br/>';
+
+require_once "minmax_static.php";
+echo 'Вызов статического метода __callStatic() <br/><br/>';
+echo MinMaxStat::min(43, 18, 5, 61, 23, 10, 56, 36);
+echo '<br/>';
+echo MinMaxStat::max(43, 18, 5, 61, 23);
+echo '<br/><br/>';

Koterov-php-training/methods_of_classes/minmax.php

@@ -0,0 +1,38 @@
+<?php
+
+class MinMax
+{
+    public function __call(string $method, array $arr) : mixed
+    {
+        switch ($method) {
+            case 'min':
+                return $this->min($arr);
+                case 'max':
+                    return $this->max($arr);
+                    default:
+                    return null;
+        }
+    }
+
+    private function min(array $arr) : mixed {
+        $result = $arr[0];
+
+        foreach ($arr as $value) {
+            if ($value < $result) {
+                $result = $value;
+            }
+        }
+        return $result;
+    }
+
+    private function max(array $arr) : mixed {
+        $result = $arr[0];
+
+        foreach ($arr as $value) {
+            if ($value > $result) {
+                $result = $value;
+            }
+        }
+        return $result;
+    }
+}

Koterov-php-training/methods_of_classes/minmax_alter.php

@@ -0,0 +1,17 @@
+<?php
+
+class MinMaxAlt
+{
+    public function __call(string $method, array $arr) : mixed
+    {
+        switch ($method) {
+            case 'min':
+                return min($arr);
+                case 'max':
+                    return max($arr);
+                    default:
+                    return null;
+        }
+    }
+
+}

Koterov-php-training/methods_of_classes/minmax_static.php

@@ -0,0 +1,17 @@
+<?php
+
+class MinMaxStat
+{
+    public static function __callStatic(string $method, array $arr) : mixed
+    {
+        switch ($method) {
+            case 'min':
+                return min($arr);
+                case 'max':
+                    return max($arr);
+                    default:
+                    return null;
+        }
+    }
+
+}