php如何将文本放在两个单词的中间

Question

I am editing a HTML file with Php but when i tried to write some text in between the body tag我正在用 Php 编辑 HTML 文件，但是当我尝试在 body 标记之间写入一些文本时

it should look like:它应该看起来像：

<body>Hello</body>

but my code is doing this:但我的代码是这样做的：

<body><hello

php file: php文件：

fwrite($myfile, $html);
$page = strpos($html, "body>");
$pagei = (int)$page + (int)"6";

fseek($myfile, $pagei);
fwrite($myfile, "hello");

I am new in php, i searched internet all day but didn't find anything on how to fix this.我是 php 新手，我在网上搜索了一整天，但没有找到任何关于如何解决这个问题的信息。

Answer 1

str_replace('<body></body>', '<body>Hello</body>', $allText);

or consider adding placeholders:或考虑添加占位符：

<html>
<head></head>
<body>
{content}
</body>
</html>

and then:进而：

str_replace('{content}', 'Hello', $allText);