PHP allows to dynamically set and get class properties that are not declared in the class. Since PHP 8.2, dynamic properties are deprecated.
Let's say we have User class which...
PHP
The PHP functions utf8_encode and utf8_decode are used for converting string between ISO-8859-1 and UTF-8 encodings. Since 8.2, these functions are deprecated because they have an inaccurate name and can...
PHP provides several ways to embed variables into string. Since PHP 8.2, string interpolation when the dollar sign is placed outside the curly braces ${var} is deprecated.
Since PHP 8.2...
Composer store copies of downloaded PHP packages in the cache. It allows speeding up workflow because for the next time previously installed packages can be retrieved from the cache. Can...
The new keyword allows creating an instance of a class. Since PHP 8.1, the new keyword can be used in initializers (e.g. parameter default values, attribute arguments, etc.).
In versions...
Since PHP 8.1, we can use enumerations also called enums. Enum defines a custom type that contains a fixed set of related values.
Enum is declared using the enum keyword...
Since PHP 8.0, we can use named arguments. These arguments can be passed to a function or class method based on the parameter name. In PHP 8.0, combining named arguments...
Since PHP 8.0, we can use union types which allows providing two or more types for parameters, return values, and properties. The given value should be one of the specified...
PHP offers Closure::fromCallable static method which allows creating a new anonymous function also known as Closure from specified callback using the current scope.
For example, if we want to return...
PHP allows defining type declarations for parameters, return values, and properties. Since PHP 8.1, we can use never return type. It indicates that a function or class method throws an...