feat: add php solution to lcp problem: No.06 (doocs#1242)

Author: Qiu-IT

lcp/LCP 06. 拿硬币/README.md

@@ -116,6 +116,24 @@ function minCount(coins: number[]): number {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param Integer[] $coins
+     * @return Integer
+     */
+    function minCount($coins) {
+        $cnt = 0;
+        for ($i = 0; $i < count($coins); $i++) {
+            $cnt += floor($coins[$i] / 2) + ($coins[$i] % 2);
+        }
+        return $cnt;
+    }
+}
+```
+
 ### **...**
 
 ```

lcp/LCP 06. 拿硬币/Solution.php

@@ -0,0 +1,13 @@
+class Solution {
+    /**
+     * @param Integer[] $coins
+     * @return Integer
+     */
+    function minCount($coins) {
+        $cnt = 0;
+        for ($i = 0; $i < count($coins); $i++) {
+            $cnt += floor($coins[$i] / 2) + ($coins[$i] % 2);
+        }
+        return $cnt;
+    }
+}