From f96b0cf776e3ea6c06bf1e2471a5822437f973c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=BA=B7=E5=AE=87?= <746294093@qq.com>
Date: Thu, 6 Jun 2024 14:24:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00053.=E6=9B=BF=E6=8D=A2?=
 =?UTF-8?q?=E6=95=B0=E5=AD=97.md=20PHP=E7=89=88=E6=9C=AC?=
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---
 problems/kamacoder/0054.替换数字.md | 37 +++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/problems/kamacoder/0054.替换数字.md b/problems/kamacoder/0054.替换数字.md
index 45a0aa54..ec5fcc63 100644
--- a/problems/kamacoder/0054.替换数字.md
+++ b/problems/kamacoder/0054.替换数字.md
@@ -369,9 +369,43 @@ main();
 
 ### Scala:
 
-
 ### PHP：
 
+```php
+<?php
+// 标准输入
+$s = trim(fgets(STDIN));
+$oldLen = strlen($s);
+$count = 0;
+for ($i = 0; $i < $oldLen; $i++) {
+    if (is_numeric($s[$i])) {
+      $count++;
+    }
+}
+
+// 扩充字符串
+$s = str_pad($s, $oldLen + $count * 5);
+$newLen = strlen($s);
+while($oldLen >= 0) {
+    if (is_numeric($s[$oldLen])) {
+        $s[$newLen--] = 'r';
+        $s[$newLen--] = 'e';
+        $s[$newLen--] = 'b';
+        $s[$newLen--] = 'm';
+        $s[$newLen--] = 'u';
+        $s[$newLen--] = 'n';
+    } else {
+        $s[$newLen--] = $s[$oldLen];
+    }
+    $oldLen--;
+}
+
+echo $s;
+?>
+```
+
+
+
 
 ### Rust:
 
@@ -381,4 +415,3 @@ main();
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>
 </a>
-