Post by account_disabled on Nov 13, 2023 5:31:51 GMT
Check out the fastest WordPress hosting and Ecommerce hosting with PHP . on the market . What's new in PHP . Like every major PHP update, version . includes a lot of exciting new features. In this part of the article, we will present the most important features that will be introduced in this update and discuss them in detail. php . - what's new Here's what's new in PHP . : Array spread operator spread With the PHP. update, we can use the 'spread operator ' in matrix expressions , which is much faster than array_merge.
This will significantly increase the performance of our application. Although the spread operator itself was introduced in PHP . , it is now available for array expressions as well. Here is an example of using the spread operator in photo editor an array expression:Covariant returns and opposing parameters Variance is a property of a class hierarchy that describes how constructor types affect supertypes and subtypes. From now on, we can replace the parameter type with one of its supertypes, and the return type can be replaced with one of its subtypes, and we can also use covariate types.
Here is an example of a covariant return type: interface Factory { function make: object; } class UserFactory implements Factory { function make: User; } Here is an example of an opposite parameter type: interface Concatable { function concatIterator $input; class Collection implements Concatable { accepts all iterables, not just Iterator function concatiterable $input Support for typed properties PHP programmers have long lacked support for the so-called typed properties.
This will significantly increase the performance of our application. Although the spread operator itself was introduced in PHP . , it is now available for array expressions as well. Here is an example of using the spread operator in photo editor an array expression:Covariant returns and opposing parameters Variance is a property of a class hierarchy that describes how constructor types affect supertypes and subtypes. From now on, we can replace the parameter type with one of its supertypes, and the return type can be replaced with one of its subtypes, and we can also use covariate types.
Here is an example of a covariant return type: interface Factory { function make: object; } class UserFactory implements Factory { function make: User; } Here is an example of an opposite parameter type: interface Concatable { function concatIterator $input; class Collection implements Concatable { accepts all iterables, not just Iterator function concatiterable $input Support for typed properties PHP programmers have long lacked support for the so-called typed properties.