Convert php source code to html
With the continuous development of the Internet, website development has become a popular industry. PHP is a very popular programming language in website development. In website development, it is often necessary to convert PHP source code into HTML code. This article will introduce how to convert PHP source code into HTML.
- PHP and HTML
First you need to understand the difference between PHP and HTML. PHP is a server-side scripting language that can generate dynamic web page content. HTML, on the other hand, is a web markup language used to create the structure and content of web pages.
The difference between PHP and HTML lies in their usage scenarios. HTML is a front-end language, which is responsible for defining the document structure using markup language; while PHP is a back-end language, a server-side programming language for web applications, which can run programs on the server to generate dynamic HTML pages.
- PHP source code and HTML code
In PHP, you can use keywords such as echo, print and printf to output content. The following is a simple PHP code:
<?php $var = "Hello, world!"; echo $var; ?>
The script outputs "Hello, world!".
Can be used in combination with HTML code when outputting content. For example, here is an example of inserting a variable into an HTML document:
<!DOCTYPE html> <html> <head> <title>PHP Source to HTML</title> </head> <body> <?php $var = "Hello, world!"; echo "<h1>$var</h1>"; ?> </body> </html>
This script generates an HTML page that contains a title "Hello, world!". As you can see, in PHP, you can use HTML code to build the page structure.
- PHP include()
In addition to embedding HTML code in PHP scripts, you can also use the include() function to introduce the contents of other files into the current file. Use the include() function to avoid including a lot of HTML and PHP code in one file.
The following is an example of using the include() function to introduce headers and trailers:
<!DOCTYPE html>
<html>
<head>
<title>PHP Source to HTML</title>
</head>
<body>
<?php include('header.php'); ?>
<p>This is the main content of the page.</p>
<?php include('footer.php'); ?>
</body>
</html>In this example, the headers and trailers are stored in the header.php and footer.php files respectively. . The include() function will include the contents of these files into the current file.
- PHP ob_start() and ob_get_contents()
Sometimes it is necessary to store the output content in a variable instead of outputting it directly to the page. For this purpose, you can use the ob_start() and ob_get_contents() functions.
ob_start() function is used to open the output buffer so that subsequent output content will not be output directly to the page. The ob_get_contents() function can get the contents of the buffer. Use ob_start() and ob_get_contents() to store the content to be output into variables to facilitate subsequent processing.
The following is an example of storing the output content into a variable:
<!DOCTYPE html> <html> <head> <title>PHP Source to HTML</title> </head> <body> <?php ob_start(); echo "This is the output content."; $output = ob_get_contents(); ob_end_clean(); echo $output; ?> </body> </html>
In this example, use the ob_start() function to open the output buffer and store the output content into the variable $ output. Then use the ob_end_clean() function to clear the output buffer.
- Summary
PHP is a powerful back-end programming language that plays an important role in website development. When converting PHP source code into HTML code, you can use methods such as echo, include(), ob_start(), and ob_get_contents(). These methods can improve development efficiency and make the program more concise and easier to maintain.
Generally speaking, it is not difficult to convert PHP source code into HTML code. You only need to be proficient in PHP's output functions and some common functions. At the same time, in order to improve readability and maintainability, the include() function and the ob_start() and ob_get_contents() functions should be used appropriately.
The above is the detailed content of Convert php source code to html. For more information, please follow other related articles on the PHP Chinese website!
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