Hear we following file-related functions will be explained in this chapter −Opening a text documentReading a text documentWriting a text documentClosing a text documentFile Opening and ClosingTo open a file, use the PHP... Read more.

The video ID can be extracted from a conventional YouTube URL in PHP using regular expressions or string manipulation, and an embed URL can be created. The following is a simple example of how to do it.This code defines... Read more.

Method chaining is a programming technique that's widely used in object-oriented languages like PHP to make invoking several methods on an object in a single line of code faster and more effective. If you can chain sever... Read more.

A class in PHP is considered to be abstract if it cannot be constructed on its own and is mostly used as a model for other classes to inherit from. Utilizing the abstract keyword, abstract classes are created. They enabl... Read more.

In PHP, you can declare a class and create objects from that class using the following syntax. Let's go through the steps:Declare a Class:To declare a class in PHP, you use the class keyword followed by the class name. C... Read more.

Polymorphism is a fundamental notion in object-oriented programming (OOP) that allows objects of various classes to be considered as objects of the same superclass. Polymorphism in PHP is accomplished using inheritance a... Read more.

In PHP, inheritance is a fundamental object-oriented programming (OOP) concept that allows you to build a new class on top of an existing one. The new class, known as the "child" or "derived" class, inherits the current... Read more.

"Magic methods" in PHP are unique methods that begin with a double underscore (__) and are used to handle certain actions or behaviors within a class. These methods are called by PHP at specified times and are intended t... Read more.

In PHP, you may get the local time by using the DateTime class in conjunction with DateTimeZone. Here's a step-by-step guide on doing so:Make a new DateTimeZone object to represent the chosen time zone. If you haven't al... Read more.

To convert a PHP array to JSON, you can use the json_encode function in PHP. This function takes a PHP variable, such as an array, and returns its JSON representation. Here's how you can do it:Syntax :string json_encode(... Read more.

In PHP, the in_array() method is used to determine whether a certain value exists in an array. It returns true if the value is found in the array, and false otherwise. The function accepts two parameters: the value to lo... Read more.

In PHP, you can make a cURL GET request with parameters using the cURL library, which allows you to interact with remote servers through various protocols. To send parameters in the query string, you can simply append th... Read more.

Here's a simple function that generates a slug from a given string in PHP:function generateSlug($text) { // replace non letter or digits by - $text = preg_replace('~[^\pL\d]+~u', '-', $text);... Read more.