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Raspberry Pi php cannot run HTML

May 07, 2023 pm 02:07 PM

With the development of the Internet of Things, Raspberry Pi has become a very popular embedded system and is widely used in various scenarios, such as smart homes, smart vehicles, monitoring systems, and robots. In order to build various applications using Raspberry Pi, developers often need to use various programming languages, such as Python, PHP, etc. In this article, we will explore how PHP works with HTML on the Raspberry Pi.

Running PHP on Raspberry Pi

Raspberry Pi has a built-in Apache server and PHP interpreter, allowing us to use PHP to develop dynamic websites or web applications. But to run PHP successfully, you first need to install the Apache server and PHP interpreter on the Raspberry Pi.

Install Apache server

Use the following command to install Apache server:

sudo apt-get update
sudo apt-get install apache2 -y

After the installation is complete, we can use the following command to start the Apache server:

sudo service apache2 start

At this time, we can open the browser and enter the IP address of the Raspberry Pi in the address bar, You will see the default Apache welcome page.

Install PHP interpreter

Use the following command to install the PHP interpreter:

sudo apt-get install php5 -y

After the installation is complete, we can Use the following command to check whether PHP is installed successfully:

php -v

If PHP is installed successfully, the current version number will be displayed.

PHP and HTML work together

So far, we have successfully installed the Apache and PHP interpreters. You can now start developing applications using PHP and HTML together.

Using HTML in PHP

You can use HTML tags in PHP code to build the Web page we need. Embedding HTML code into PHP code and then running it on the Apache server can dynamically generate Web pages.

The following code demonstrates how to use PHP to generate an HTML page:



<title>树莓派和PHP</title>
Copy after login


<?php 
echo "<h1>Hello World!</h1>";
?>
Copy after login


In this example, we use PHP echo statement to output the HTML

tag. The Apache server will parse this code block into HTML and display the "Hello World!" title in the browser.

Using PHP in HTML

Similar to embedding HTML in PHP, embedding PHP code in HTML code is also very simple. We can use the following code to embed PHP code:



<title>使用PHP在HTML中运行</title>
Copy after login


<?php 
$name = "Tom";
echo "<h1>Hello $name!</h1>";
?>
Copy after login


In this example, we initialize the variable $name to "Tom", and then in the HTML Use the echo statement in the

tag to output this variable. When the PHP code block is run on the server, the variable $name is replaced with "Tom" and then displayed in the browser.

Summary

This article briefly introduces how to run PHP on the Raspberry Pi and shows how to use PHP and HTML to work together. Whether using HTML in PHP or using PHP in HTML, we can easily create a variety of powerful web applications and dynamic websites. If you are developing applications using Raspberry Pi, PHP is undoubtedly a very important tool.

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