Let's talk about the methods and precautions for connecting to a new web page in PHP

PHPz
Release: 2023-04-11 09:44:52
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In web design, links are one of the indispensable parts of the web page structure. They can provide links between different web pages. By adding links to web pages, you can give users the opportunity to browse more content, while also making the website more organized and easier to use.

During the actual development process, some links need to jump to new pages, such as jumping to product details pages, news details pages, etc. The PHP connection can easily achieve this effect.

The following introduces the methods and precautions for implementing PHP connection to jump to a new web page.

  1. Use the tag

In HTML, we usually use the tag to define a hyperlink, and then set its href attribute to jump the target address. For example:

<a href="https://www.example.com">跳转到Example网站</a>
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If you want the link to jump to a new page, you only need to add the target="_blank" attribute to the tag.

<a href="https://www.example.com" target="_blank">在新窗口打开Example网站</a>
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Among them, the target attribute can be set to the following values:

  • "_blank": Open the link in a new window
  • "_self": Open the link in the current window (default value)
  • "_parent": Open the link in the parent window
  • "_top": Open the link in the entire window (ignoring any frames)
  1. Use header() function

If you need to implement connection jump in PHP code, you can use header() function. This function can send a special response header information to the browser to achieve connection jump.

The syntax is as follows:

header("Location: https://www.example.com");
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This statement redirects the request to the specified URL. Note that the header() function must be called before outputting any HTML code to the browser.

If you need to jump to a new page, just add the "_blank" parameter in the header() function:

header("Location: https://www.example.com", true, 301);
header("Connection: close");
header("Location: https://www.example.com", true, 301);
exit;
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Among them, the second parameter is true, which means that the link should be opened in a new window. , the third parameter is the status code (optional), the default is 302, indicating redirection.

Through the above two methods, you can click to jump to the connection and open the target page in a new window. It should be noted that before jumping, you must ensure that the header() function is called before the browser outputs, otherwise an error will occur.

Summary

In web design, link jump is one of the essential functions. PHP provides two implementation methods. Using the tag and the header() function can easily realize the connection jump and open the target page in a new window. In actual development, appropriate methods should be selected according to specific needs and attention should be paid to following relevant specifications.

The above is the detailed content of Let's talk about the methods and precautions for connecting to a new web page in PHP. For more information, please follow other related articles on the PHP Chinese website!

source:php.cn
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