feat: add php solution to lc problem: No.1189 (doocs#971)

Author: Qiu-IT

solution/1100-1199/1189.Maximum Number of Balloons/README.md

@@ -202,6 +202,30 @@ impl Solution {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $text
+     * @return Integer
+     */
+    function maxNumberOfBalloons($text) {
+        $cnt1 = $cnt2 = $cnt3 = $cnt4 = $cnt5 = 0;
+        for ($i = 0; $i < strlen($text); $i++) {
+            if ($text[$i] == "b") $cnt1 += 1;
+            else if ($text[$i] == "a") $cnt2 += 1;
+            else if ($text[$i] == "l") $cnt3 += 1;
+            else if ($text[$i] == "o") $cnt4 += 1;
+            else if ($text[$i] == "n") $cnt5 += 1;
+        }
+        $cnt3 = floor($cnt3 / 2);
+        $cnt4 = floor($cnt4 / 2);
+        return min($cnt1, $cnt2, $cnt3, $cnt4, $cnt5);
+    }
+}
+```
+
 ### **...**
 
 ```

solution/1100-1199/1189.Maximum Number of Balloons/README_EN.md

@@ -193,6 +193,30 @@ impl Solution {
 }
 ```
 
+### **PHP**
+
+```php
+class Solution {
+    /**
+     * @param String $text
+     * @return Integer
+     */
+    function maxNumberOfBalloons($text) {
+        $cnt1 = $cnt2 = $cnt3 = $cnt4 = $cnt5 = 0;
+        for ($i = 0; $i < strlen($text); $i++) {
+            if ($text[$i] == "b") $cnt1 += 1;
+            else if ($text[$i] == "a") $cnt2 += 1;
+            else if ($text[$i] == "l") $cnt3 += 1;
+            else if ($text[$i] == "o") $cnt4 += 1;
+            else if ($text[$i] == "n") $cnt5 += 1;
+        }
+        $cnt3 = floor($cnt3 / 2);
+        $cnt4 = floor($cnt4 / 2);
+        return min($cnt1, $cnt2, $cnt3, $cnt4, $cnt5);
+    }
+}
+```
+
 ### **...**
 
 ```

solution/1100-1199/1189.Maximum Number of Balloons/Solution.php

@@ -0,0 +1,19 @@
+class Solution {
+    /**
+     * @param String $text
+     * @return Integer
+     */
+    function maxNumberOfBalloons($text) {
+        $cnt1 = $cnt2 = $cnt3 = $cnt4 = $cnt5 = 0;
+        for ($i = 0; $i < strlen($text); $i++) {
+            if ($text[$i] == "b") $cnt1 += 1;
+            else if ($text[$i] == "a") $cnt2 += 1;
+            else if ($text[$i] == "l") $cnt3 += 1;
+            else if ($text[$i] == "o") $cnt4 += 1;
+            else if ($text[$i] == "n") $cnt5 += 1;
+        }
+        $cnt3 = floor($cnt3 / 2);
+        $cnt4 = floor($cnt4 / 2);
+        return min($cnt1, $cnt2, $cnt3, $cnt4, $cnt5);
+    }
+}