Home > Topic List > Introduction to standard tags in php

Introduction to standard tags in php

The standard tag for PHP is <?php. In PHP scripts, it is common to use <?php to start a PHP code block and then use ?> to end it. If you want to know more about php, you can read the articles below this topic.

console.readline How to execute a shell script How to post text in WeChat Moments The difference between Sass and less

time：2024-03-22 14:06:45

What are the standard tags in php PHP's standard tag is <?php, which opens and closes PHP code blocks. It is recommended to use the <?php tag because it is portable, avoids conflicts with other languages, and is compliant with PHP standards. The short tag <? can also be used, but needs to be enabled in php.ini and is not portable across platforms. Additionally, there is the <?= tag for succinctly outputting variable values.

php

1213

490
Detailed explanation of how to view PHP transaction errors Detailed explanation of PHP transaction error checking method During the development process, we often use database transactions to ensure the consistency and integrity of data. However, in the process of using transactions, various errors are sometimes encountered, and corresponding methods are needed to view and handle these errors. This article will detail how to view transaction errors in PHP and how to handle these errors. Opening transactions in PHP In PHP, opening transactions is generally implemented through PDO (PHPDataObjects). First, we need to create a

php affairs mistake

845

470
The role and practical application of arrow symbols in PHP The role and practical application of arrow symbols in PHP In PHP, the arrow symbol (->) is usually used to access the properties and methods of objects. Objects are one of the basic concepts of object-oriented programming (OOP) in PHP. In actual development, arrow symbols play an important role in operating objects. This article will introduce the role and practical application of arrow symbols, and provide specific code examples to help readers better understand. 1. The role of the arrow symbol to access the properties of an object. The arrow symbol can be used to access the properties of an object. When we instantiate a pair

php application arrow symbol

1554

164
Detailed explanation and example demonstration of PHP conversion function Detailed explanation and example demonstration of PHP conversion to numerical function In PHP development, we often encounter situations where we need to convert strings into numerical values, such as converting user-entered data into an appropriate numerical format. PHP provides some built-in functions to help us achieve this operation. This article will explain these numerical conversion functions in detail and provide example demonstrations to help readers better understand and use these functions. 1.intval() function The intval() function is used to convert a string into an integer. When the incoming parameter is a string, the function will try

function Convert Example

1031

891
What software is used to write php? Recommended commonly used PHP programming software: 1. PHPStorm, which provides code editing, auto-completion, debugging, version control and other functions, and supports a variety of frameworks and technologies; 2. Visual Studio Code, which supports PHP and other programming languages. It has syntax highlighting, auto-completion, debugging and other functions; 3. Sublime Text, supports auto-completion, code snippets, syntax highlighting and other functions, and has fast response speed; 4. NetBeans and so on.

php Programming software

1167

565

Related courses More >

AdvancedPHP tens of millions flash sale project practical course: 10060 times of learning
Collection

AdvancedPHP development login registration interface tutorial: 28374 times of learning
Collection

IntermediatePHP classic algorithm interview questions: 40513 times of learning
Collection

ElementaryPHP realizes online network disk management file upload and download through database: 23321 times of learning
Collection