使用 PHP 根据用户输入构建 HTML 链接

Question

I am wanting to be able to create links that show up on the links.html page based on user submissions.

The links would follow this format <a href="URL">TITLE</a> , so quite simplistic.

Users will submit data via this form:

 <form action="links.php" method="post"> <input type="text" placeholder= "URL:" name="url" required><br> <input type="text" placeholder= "Title:" name="title" required><br> <input type="submit">

And the PHP I'm using is

<?php
$url = $_POST["url"];
$title = $_POST["title"];
$text = "<a href="".$url.">".$title."</a> <br> \n"
$file = fopen("./data/links.html","a+ \n");
 fwrite($file, $text);
 fclose($file);
?>

I know that the issue lies with building the ".$url." part as there are also speech marks. How would you get around this given that the URL requires the "URL" format.

Thanks in advance.

Answer 1

You would need to add the proper escape slashes for the quoting issue

$text = "<a href="".$url.">".$title."</a> <br> \n";

becomes

$text = "<a href=\"".$url."\">".$title."</a> <br> \n";

Or you could mix single and double quotes and not use escapes -

$text = "<a href='".$url."'>".$title."</a> <br> \n";

Answer 2

只要 $text 字符串是双引号，你就可以这样做：

$text = "<a href='{$url}'>{$title}</a> <br> \n";