php and html5 are not the same language. PHP is a cross-platform, open source, scripting language executed on the server side, and is a programming language; while HTML5 is a markup language, not a programming language, has no logical processing capabilities, no computing capabilities, and cannot dynamically generate content. Instead, web page information can only be displayed statically.
The operating environment of this tutorial: windows7 system, PHP7.1&&HTML5 version, DELL G3 computer
php and html5 are not the same language .
PHP is a programming language, but html5 is not a programming language. It has no logical processing capabilities, no computing capabilities, and cannot dynamically generate content, but can only statically display web page information.
Introduction to PHP
PHP (PHP Hypertext Preprocessor) is a "hypertext preprocessor", which is a cross-platform , open source, free, scripting language that executes on the server side, especially suitable for Web development and can be embedded in HTML. PHP syntax learned the C language, absorbed the characteristics of multiple languages of Java and Perl to develop its own unique syntax, and continued to improve itself based on their strengths, such as Java's object-oriented programming. The main goal of the language was originally created to make Developers quickly write high-quality web sites.
The features of PHP include:
1. PHP’s unique syntax mixes C, Java, Perl and PHP’s own innovative syntax.
2. PHP can execute dynamic web pages faster than CGI or Perl - in terms of dynamic pages, compared with other programming languages, PHP embeds programs into HTML documents for execution, and the execution efficiency is higher than that of complete The CGI that generates HTML tags is much higher; PHP has very powerful functions, and all CGI functions can be realized by PHP.
3. PHP supports almost all popular databases and operating systems.
4. The most important thing is that PHP can use C and C to expand the program!
Compared with other programming languages, dynamic pages made with PHP embed the program into the HTML (an application under the standard universal markup language) document for execution, and the execution efficiency is higher than that of completely generating HTML tags. CGI is much higher; PHP can also execute compiled code. Compilation can achieve encryption and optimize code running, making the code run faster.
According to the requirements of dynamic websites, PHP language, as a language program, its specificity gradually appears in the application process, and its technical level will directly affect the operating efficiency of the website. Its characteristics are that it has an open source code and is highly similar to general-purpose languages such as C language in terms of programming. Therefore, it is easy to understand and has strong operability during operation.
At the same time, the PHP language has a high level of data transmission processing and output, and can be widely used in Windows systems and various web servers. If the amount of data is large, the PHP language can also broaden the link surface and connect to various databases to alleviate the pressure of data storage, retrieval and maintenance.
With the development of technology, PHP language search engines can also tailor their services to implement personalized services, such as classifying, collecting and storing data according to customer preferences, which greatly improves the efficiency of data operation.
html5 Introduction
HTML, Hyper Text Markup Language, is a tool for creating web pages and other content that can be browsed on web pages. A markup language designed to design information seen in the browser, specifically used to design and edit web pages.
It includes a series of tags through which the document format on the network can be unified and scattered Internet resources can be connected into a logical whole.
HTML5 is the fifth revision of the HTML standard. Its main goal is to semanticize the Internet so that it is better readable by humans and machines, and at the same time provide better support for embedding of various media. HTML5 syntax is backwards compatible. H5, which is now commonly referred to in China, includes CSS3 and JavaScript (strictly speaking, it is not appropriate to call it this way, but it is already wrong to call it this way).
HTML5 is the latest revised version of HTML. The standard was completed by the World Wide Web Consortium (W3C) in October 2014.
HTML5 is designed to support multimedia on mobile devices.
Some interesting new features in HTML5:
The canvas element for painting.
Video and audio elements for media playback
Better support for local offline storage.
New special content elements, such as article, footer, header, nav, section.
New form controls, such as calendar, date, time, email, url, search.
Recommended tutorials: "html video tutorial", "PHP video tutorial"
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