diff --git a/solution/1400-1499/1426.Counting Elements/README.md b/solution/1400-1499/1426.Counting Elements/README.md
index 90f2d1b697d42..ec6a0ece881f6 100644
--- a/solution/1400-1499/1426.Counting Elements/README.md	
+++ b/solution/1400-1499/1426.Counting Elements/README.md	
@@ -213,6 +213,24 @@ var countElements = function (arr) {
 };
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param Integer[] $arr
+     * @return Integer
+     */
+    function countElements($arr) {
+        $cnt = 0;
+        for ($i = 0; $i < count($arr); $i++) {
+            if (in_array($arr[$i] + 1, $arr)) $cnt++;
+        }
+        return $cnt++;
+    }
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/1400-1499/1426.Counting Elements/README_EN.md b/solution/1400-1499/1426.Counting Elements/README_EN.md
index 18f80783e2921..f507a2b3659b6 100644
--- a/solution/1400-1499/1426.Counting Elements/README_EN.md	
+++ b/solution/1400-1499/1426.Counting Elements/README_EN.md	
@@ -190,6 +190,24 @@ var countElements = function (arr) {
 };
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param Integer[] $arr
+     * @return Integer
+     */
+    function countElements($arr) {
+        $cnt = 0;
+        for ($i = 0; $i < count($arr); $i++) {
+            if (in_array($arr[$i] + 1, $arr)) $cnt++;
+        }
+        return $cnt++;
+    }
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/1400-1499/1426.Counting Elements/Solution.php b/solution/1400-1499/1426.Counting Elements/Solution.php
new file mode 100644
index 0000000000000..047793b09fdda
--- /dev/null
+++ b/solution/1400-1499/1426.Counting Elements/Solution.php	
@@ -0,0 +1,13 @@
+class Solution {
+    /**
+     * @param Integer[] $arr
+     * @return Integer
+     */
+    function countElements($arr) {
+        $cnt = 0;
+        for ($i = 0; $i < count($arr); $i++) {
+            if (in_array($arr[$i] + 1, $arr)) $cnt++;
+        }
+        return $cnt++;
+    }
+}
\ No newline at end of file