PHP is not inherently a web-based language.
PHP is a general purpose programming language. It was originally designed to be used as a server-side scripting language for web development, but it can also be used for other things. For example, it can be used on the client side as well!
PHP is a web-based language, but doesn't have to be tied to a web application.
PHP is a web-based language, but doesn't have to be tied to a web application. PHP can be used as a general purpose programming language and it can also be used as a scripting language. This means you can use it on the command line in your terminal or text editor of choice, in addition to writing HTML files with embedded PHP code. If you're unfamiliar with the distinction between these two ways of using PHP, it's an important one:
The difference between general-purpose programming languages and scripting languages is that general-purpose programming languages tend to have many more features than scripting languages—each feature has its own syntax and set of rules that must be followed when writing code in that language. Scripting languages are designed for ease of use rather than power; their goal is to make things easier for programmers who don't need all those fancy bells and whistles (however useful they may be).
PHP can be used as a general purpose programming language.
PHP can be used as a general purpose programming language. It is used to write applications that run on the server and in the browser, but it can also be used to write applications that run on the client.
PHP began life as a simple scripting language for generating HTML.
PHP began life as a simple scripting language for generating HTML. The creators of PHP were aware of the popularity of Perl and its ability to be embedded into HTML, so they added that functionality to the language. It was not intended to be a general purpose programming language like C or Java.
However, many developers have used PHP in this way and it does work reasonably well for some applications—especially those that involve complex forms processing or database access (because it is easier to embed SQL queries directly into your code than it is when using other languages). These applications are most often written as web apps where your users access them through their web browsers on any device they choose (desktop computers, mobile phones).
A PHP script is embedded into an HTML file.
The PHP language is embedded into HTML files.
PHP is used to generate dynamic content, such as a display of the current date, or a form that allows users to enter and submit data.
PHP is also used to create web applications (apps). A good example would be an online shopping cart system where the user can browse products and place them in the shopping cart. Once they have selected all desired items, they can then view their cart, edit it if needed, or check out. This same functionality exists on many e-commerce sites like Amazon or Walmart but it was created using PHP code running on a server somewhere that generates pages as needed rather than static HTML files being delivered by some kind of Web server application like Apache HTTPD server software does today (but not necessarily tomorrow—servers may change over time).
You can use an interpreter to type in PHP scripts directly on your computer.
To use an interpreter, you need to know the syntax of PHP. The syntax is basically how you write a statement in PHP. Once you’ve learned how to write a statement in plain text, it can be converted into code by an interpreter or compiler, which converts human readable commands into machine-readable ones.
PHP scripts are written in plain text files with extension .php, e.g., hello-world.php. You may also see some scripts with extensions .phtml or .phtmls but these are just other variations on how to name a file that has been written in this language.
What makes PHP different from other programming languages? Why would anyone want to learn it when there are so many others similar out there which may seem easier at first glance? For starters, we have mentioned earlier that PHP is easy enough for beginners yet powerful enough for experienced programmers too! In addition:
The web server gets a directory listing of all the files in the folder you are requesting, unless you specify a particular file, and then it sends that file to your browser.
When you request a web page by entering its URL in the browser's address bar, your computer sends a request to the web server. This request contains an HTTP method (GET or POST), URL and other parameters.
The web server gets a directory listing of all the files in the folder you are requesting, unless you specify a particular file, and then it sends that file to your browser. It also saves information about which pages were requested so it can send any additional resources needed when those pages are viewed later on (such as images).
PHP was designed to be embedded into HTML - it is not a general purpose programming language like C or Java.
The basics of PHP
PHP is a scripting language that can be embedded into HTML. It's designed to work with web servers to produce dynamic websites and applications, like those you see on Facebook, Twitter, Google Reader and many other sites. Unlike the majority of programming languages out there it isn't intended for general-purpose programming. If all you want to do is write an application in C++ or Java, PHP isn't going to help you much (and vice versa).
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