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Similarities and differences between PHP functions and HTML functions

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Apr 24, 2024 pm 03:33 PM

php html

The roles of PHP functions and HTML functions are different: PHP handles background logic and outputs results through echo or print; HTML is responsible for creating the web page structure, which is interpreted and displayed by the browser. The similarities and differences are as follows: Execution location: PHP functions are executed on the server side, and HTML functions are executed on the client browser. Usage: PHP functions are embedded in PHP code, and HTML functions are written in HTML documents. Data types: PHP functions can handle different data types, while HTML functions mainly handle text data. Purpose: PHP functions are used to calculate, process data and generate dynamic content, and HTML functions are used to define the structure and style of web pages.

PHP 函数与 HTML 函数的异同

PHP functions and HTML functions: similarities and differences

Introduction

PHP functions and HTML functions play different roles in web development, and it is important to understand their similarities and differences.

PHP functions

Server-side scripting language
Used to perform background processing
Useecho or print Statement output result
For example: echo "Hello World!";

##HTML function

Used to create and structure web content
The browser interprets and displays the results
For example:
< ;html>
Hello World!

similarities and differences

Same points:

Differences:

FeaturesPHP functionHTML functionExecution locationServer sideClient side (browser)Usage methodEmbedded in PHP codeWrite In HTML documentsData typescan handle different types of dataMainly process text dataPurposeComplete calculations, process data, and generate dynamic contentDefine web page structure and style

Practical case

PHP function:

<?php
// 计算两个数的和
function sum($num1, $num2) {
  return $num1 + $num2;
}

// 输出和
echo sum(10, 20);
?>

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HTML function:

<!DOCTYPE html>
<html>
<body>
  <h1>Hello World!</h1>
</body>
</html>

Copy after login

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