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

Author: Qiu-IT

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

@@ -254,16 +254,15 @@ class Solution {
      * @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];
+        $len = count($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

@@ -235,16 +235,15 @@ class Solution {
      * @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];
+        $len = count($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

@@ -6,14 +6,13 @@ class Solution {
      * @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];
+        $len = count($nums);
+        for ($i = 0; $i < $len; $i++) {
+            for ($j = 1 + $i; $j < $len; $j++) {
+                if ($nums[$i] + $nums[$j] == $target) {
+                    return [$i, $j];
+                }
             }
         }
     }
-    }
 }