diff --git a/solution/0000-0099/0011.Container With Most Water/README.md b/solution/0000-0099/0011.Container With Most Water/README.md
index 4d81674da317f..6dbd8cf41fce7 100644
--- a/solution/0000-0099/0011.Container With Most Water/README.md	
+++ b/solution/0000-0099/0011.Container With Most Water/README.md	
@@ -206,6 +206,35 @@ public class Solution {
 }
 ```
 
+```php
+class Solution {
+    /**
+     * @param int[] $height
+     * @return int
+     */
+
+    function maxArea($height) {
+        $left = 0;
+        $right = count($height) - 1;
+        $maxArea = 0;
+
+        while ($left < $right) {
+            $area = min($height[$left], $height[$right]) * ($right - $left);
+
+            $maxArea = max($maxArea, $area);
+
+            if ($height[$left] < $height[$right]) {
+                $left++;
+            } else {
+                $right--;
+            }
+        }
+
+        return $maxArea;
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0000-0099/0011.Container With Most Water/README_EN.md b/solution/0000-0099/0011.Container With Most Water/README_EN.md
index 68cdb99432b7d..f321d2f5d264a 100644
--- a/solution/0000-0099/0011.Container With Most Water/README_EN.md	
+++ b/solution/0000-0099/0011.Container With Most Water/README_EN.md	
@@ -201,6 +201,35 @@ public class Solution {
 }
 ```
 
+```php
+class Solution {
+    /**
+     * @param int[] $height
+     * @return int
+     */
+
+    function maxArea($height) {
+        $left = 0;
+        $right = count($height) - 1;
+        $maxArea = 0;
+
+        while ($left < $right) {
+            $area = min($height[$left], $height[$right]) * ($right - $left);
+
+            $maxArea = max($maxArea, $area);
+
+            if ($height[$left] < $height[$right]) {
+                $left++;
+            } else {
+                $right--;
+            }
+        }
+
+        return $maxArea;
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0000-0099/0011.Container With Most Water/Solution.php b/solution/0000-0099/0011.Container With Most Water/Solution.php
new file mode 100644
index 0000000000000..320347510d2fa
--- /dev/null
+++ b/solution/0000-0099/0011.Container With Most Water/Solution.php	
@@ -0,0 +1,26 @@
+class Solution {
+    /**
+     * @param int[] $height
+     * @return int
+     */
+
+    function maxArea($height) {
+        $left = 0;
+        $right = count($height) - 1;
+        $maxArea = 0;
+
+        while ($left < $right) {
+            $area = min($height[$left], $height[$right]) * ($right - $left);
+
+            $maxArea = max($maxArea, $area);
+
+            if ($height[$left] < $height[$right]) {
+                $left++;
+            } else {
+                $right--;
+            }
+        }
+
+        return $maxArea;
+    }
+}
diff --git a/solution/0000-0099/0012.Integer to Roman/README.md b/solution/0000-0099/0012.Integer to Roman/README.md
index 6e406775637ec..1002a00bb1425 100644
--- a/solution/0000-0099/0012.Integer to Roman/README.md	
+++ b/solution/0000-0099/0012.Integer to Roman/README.md	
@@ -181,6 +181,44 @@ public class Solution {
 }
 ```
 
+```php
+class Solution {
+    /**
+     * @param int $num
+     * @return string
+     */
+
+    function intToRoman($num) {
+        $values = [
+            'M' => 1000,
+            'CM' => 900,
+            'D' => 500,
+            'CD' => 400,
+            'C' => 100,
+            'XC' => 90,
+            'L' => 50,
+            'XL' => 40,
+            'X' => 10,
+            'IX' => 9,
+            'V' => 5,
+            'IV' => 4,
+            'I' => 1,
+        ];
+
+        $result = '';
+
+        foreach ($values as $roman => $value) {
+            while ($num >= $value) {
+                $result .= $roman;
+                $num -= $value;
+            }
+        }
+
+        return $result;
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0000-0099/0012.Integer to Roman/README_EN.md b/solution/0000-0099/0012.Integer to Roman/README_EN.md
index 110d2047b445c..5d2bbfa90b174 100644
--- a/solution/0000-0099/0012.Integer to Roman/README_EN.md	
+++ b/solution/0000-0099/0012.Integer to Roman/README_EN.md	
@@ -168,6 +168,44 @@ public class Solution {
 }
 ```
 
+```php
+class Solution {
+    /**
+     * @param int $num
+     * @return string
+     */
+
+    function intToRoman($num) {
+        $values = [
+            'M' => 1000,
+            'CM' => 900,
+            'D' => 500,
+            'CD' => 400,
+            'C' => 100,
+            'XC' => 90,
+            'L' => 50,
+            'XL' => 40,
+            'X' => 10,
+            'IX' => 9,
+            'V' => 5,
+            'IV' => 4,
+            'I' => 1,
+        ];
+
+        $result = '';
+
+        foreach ($values as $roman => $value) {
+            while ($num >= $value) {
+                $result .= $roman;
+                $num -= $value;
+            }
+        }
+
+        return $result;
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0000-0099/0012.Integer to Roman/Solution.php b/solution/0000-0099/0012.Integer to Roman/Solution.php
new file mode 100644
index 0000000000000..1f0523d2f333b
--- /dev/null
+++ b/solution/0000-0099/0012.Integer to Roman/Solution.php	
@@ -0,0 +1,35 @@
+class Solution {
+    /**
+     * @param int $num
+     * @return string
+     */
+
+    function intToRoman($num) {
+        $values = [
+            'M' => 1000,
+            'CM' => 900,
+            'D' => 500,
+            'CD' => 400,
+            'C' => 100,
+            'XC' => 90,
+            'L' => 50,
+            'XL' => 40,
+            'X' => 10,
+            'IX' => 9,
+            'V' => 5,
+            'IV' => 4,
+            'I' => 1,
+        ];
+
+        $result = '';
+
+        foreach ($values as $roman => $value) {
+            while ($num >= $value) {
+                $result .= $roman;
+                $num -= $value;
+            }
+        }
+
+        return $result;
+    }
+}