feat: add php solution to lc problem: No.2259 (doocs#1026)

Author: Qiu-IT

solution/2200-2299/2259.Remove Digit From Number to Maximize Result/README.md

@@ -227,6 +227,28 @@ function removeDigit(number: string, digit: string): string {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $number
+     * @param String $digit
+     * @return String
+     */
+    function removeDigit($number, $digit) {
+        $max = 0;
+        for ($i = 0; $i < strlen($number); $i++) {
+            if ($number[$i] == $digit) {
+                $tmp = substr($number, 0, $i).substr($number, $i + 1);
+                if ($tmp > $max) $max = $tmp;
+            }
+        }
+        return $max;
+    }
+}
+```
+
 ### **...**
 
 ```

solution/2200-2299/2259.Remove Digit From Number to Maximize Result/README_EN.md

@@ -203,6 +203,28 @@ function removeDigit(number: string, digit: string): string {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $number
+     * @param String $digit
+     * @return String
+     */
+    function removeDigit($number, $digit) {
+        $max = 0;
+        for ($i = 0; $i < strlen($number); $i++) {
+            if ($number[$i] == $digit) {
+                $tmp = substr($number, 0, $i).substr($number, $i + 1);
+                if ($tmp > $max) $max = $tmp;
+            }
+        }
+        return $max;
+    }
+}
+```
+
 ### **...**
 
 ```

solution/2200-2299/2259.Remove Digit From Number to Maximize Result/Solution.php

@@ -0,0 +1,17 @@
+class Solution {
+    /**
+     * @param String $number
+     * @param String $digit
+     * @return String
+     */
+    function removeDigit($number, $digit) {
+        $max = 0;
+        for ($i = 0; $i < strlen($number); $i++) {
+            if ($number[$i] == $digit) {
+                $tmp = substr($number, 0, $i).substr($number, $i + 1);
+                if ($tmp > $max) $max = $tmp;
+            }
+        }
+        return $max;
+    }
+}