Add solution 27.

Author: javadev

src/Algorithms/0027.remove-element/remove-element.php

@@ -0,0 +1,19 @@
+class Solution {
+
+    /**
+     * @param Integer[] $nums
+     * @param Integer $val
+     * @return Integer
+     */
+    function removeElement(&$nums, $val) {
+        $start = 0;
+        for($i = 0; $i < count($nums); $i++){
+            if($nums[$i] != $val){
+                $nums[$start] = $nums[$i];
+                $start++;
+            }
+        }
+
+        return $start;
+    }
+}