From 325a09cee71a83261ba037f29eb27bb4f0b2522e Mon Sep 17 00:00:00 2001
From: nolanzzz <nolanwork131@gmail.com>
Date: Wed, 1 Sep 2021 18:44:41 -0400
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00704=E4=BA=8C=E5=88=86?=
 =?UTF-8?q?=E6=9F=A5=E6=89=BEPHP=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0704.二分查找.md | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/problems/0704.二分查找.md b/problems/0704.二分查找.md
index 495f7367..f358d2be 100644
--- a/problems/0704.二分查找.md
+++ b/problems/0704.二分查找.md
@@ -478,6 +478,38 @@ int search(int* nums, int numsSize, int target){
 }
 ```
 
+**PHP:**
+```php
+// 左闭右闭区间
+class Solution {
+    /**
+     * @param Integer[] $nums
+     * @param Integer $target
+     * @return Integer
+     */
+    function search($nums, $target) {
+        if (count($nums) == 0) {
+            return -1;
+        }
+        $left = 0;
+        $right = count($nums) - 1;
+        while ($left <= $right) {
+            $mid = floor(($left + $right) / 2);
+            if ($nums[$mid] == $target) {
+                return $mid;
+            }
+            if ($nums[$mid] > $target) {
+                $right = $mid - 1;
+            }
+            else {
+                $left = $mid + 1;
+            }
+        }
+        return -1;
+    }
+}
+```
+
 -----------------------
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
 * B站视频：[代码随想录](https://space.bilibili.com/525438321)