From b4c61303477091f537714935db04bb973fbddf27 Mon Sep 17 00:00:00 2001
From: nolanzzz <nolanwork131@gmail.com>
Date: Thu, 2 Sep 2021 23:41:55 -0400
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200203.=E7=A7=BB=E9=99=A4?=
 =?UTF-8?q?=E9=93=BE=E8=A1=A8=E5=85=83=E7=B4=A0=20PHP=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0203.移除链表元素.md | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/problems/0203.移除链表元素.md b/problems/0203.移除链表元素.md
index 555dad03..c4f187e8 100644
--- a/problems/0203.移除链表元素.md
+++ b/problems/0203.移除链表元素.md
@@ -331,8 +331,32 @@ func removeElements(_ head: ListNode?, _ val: Int) -> ListNode? {
 }
 ```
 
-
-
+PHP:
+```php
+/**
+ * Definition for singly-linked list.
+ * type ListNode struct {
+ *     Val int
+ *     Next *ListNode
+ * }
+ */
+ // 虚拟头+双指针
+func removeElements(head *ListNode, val int) *ListNode {
+    dummyHead := &ListNode{}
+    dummyHead.Next = head
+    pred := dummyHead
+    cur := head
+    for cur != nil {
+        if cur.Val == val {
+            pred.Next = cur.Next
+        } else {
+            pred = cur
+        }
+        cur = cur.Next
+    }
+    return dummyHead.Next
+}
+```
 
 -----------------------
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)