feat:add php solutions to lc problem: No.0001

Author: Qiu-IT

solution/0000-0099/0001.Two Sum/README.md

@@ -243,6 +243,30 @@ pub fn soluation(nums: Vec<i32>, target: i32) -> Vec<i32> {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+
+    /**
+     * @param Integer[] $nums
+     * @param Integer $target
+     * @return Integer[]
+     */
+    function twoSum($nums, $target) {
+    $len = count($nums);
+    for ($i=0; $i<$len; $i++) {
+        for ($j=1+$i; $j<$len; $j++) {
+            if($nums[$i]+$nums[$j]==$target)
+            {      
+               return [$i,$j];
+            }
+        }
+    }
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0000-0099/0001.Two Sum/README_EN.md

@@ -224,6 +224,30 @@ pub fn soluation(nums: Vec<i32>, target: i32) -> Vec<i32> {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+
+    /**
+     * @param Integer[] $nums
+     * @param Integer $target
+     * @return Integer[]
+     */
+    function twoSum($nums, $target) {
+    $len = count($nums);
+    for ($i=0; $i<$len; $i++) {
+        for ($j=1+$i; $j<$len; $j++) {
+            if($nums[$i]+$nums[$j]==$target)
+            {      
+               return [$i,$j];
+            }
+        }
+    }
+    }
+}
+```
+
 ### **...**
 
 ```

solution/0000-0099/0001.Two Sum/Solution.php

@@ -0,0 +1,19 @@
+class Solution {
+
+    /**
+     * @param Integer[] $nums
+     * @param Integer $target
+     * @return Integer[]
+     */
+    function twoSum($nums, $target) {
+    $len = count($nums);
+    for ($i=0; $i<$len; $i++) {
+        for ($j=1+$i; $j<$len; $j++) {
+            if($nums[$i]+$nums[$j]==$target)
+            {      
+               return [$i,$j];
+            }
+        }
+    }
+    }
+}