PHP supports first-class functions, meaning that a function can be assigned to a variable. Both user-defined and built-in functions can be referenced by a variable and invoked dynamically. Functions can be passe
Every computer language needs some form of container to hold data-variables. In some languages, those variables have a specific type attached to hem. They can be a string, a number, an array, an object or something else. Examples of such statically-typed languages are C and pascal. Variable...
As shown in Figure 1, the Web browser on the client computer (the computer belonging to the user) makes a request for a page, say file.html (1). Assuming the requested file exists on the Web host computer where the Web Server software can find it, that software replies to the request...
There are some cases, in big projects, where you might need to separate translations when the same words convey different meaning given a context. In those cases, you split them into different domains. They are, basically, named groups of POT/PO/MO files, where the filename is the said ...
It is a micro-framework, meaning you only get a minimum of support for HTTP requests and forwarding requests to appropriate controllers. So the question is, why should you choose a micro-framework? Because it offers you flexibility and high extensibility. Some prominent companies that use the Sl...
That is, a coordinate like (say) 10,20 has a different meaning in the two functions. Make sure the font you want exists on your web server. Remember that your web server is not the same as your computer. Just because a font like Arial exists on your computer does not mean that it...
In later chapters, I’ll show you how FP can be used in conjunction with OO and unpack the meaning of “OO in the large, FP in the small.”Which PHP version to use?As I mentioned before, you can implement a functional style using PHP 5.3+. This is around the time that the ...
In many cases, proven work experience in fields like computer programming and software engineering will be considered more than your educational qualification. Still, having a degree is preferable. Step 2 – Learn PHP Now, you are ready to learn PHP. You have to start with the basics of progr...
Meaning Of PHP This programming language is a widely used tool for web development, allowing developers to create dynamic and interactive web pages. The server executes the PHP code, and the browser gets basic HTML. Two of PHP's most prevalent uses are developing client-side GUI apps command...
The escape sequences such as "\r" or "\n" will be treated literally and their special meaning will not be interpreted. The variables too will not be expanded if they appear in a single quoted string.Open Compiler <?php $str = 'This will not expand: \n a newline'; echo $str . ...