Explore PHP 8.4: New Features & Try Them in a Sandbox

Discover PHP 8.4's new features and enhancements. Test them in our sandbox to experience improved performance and syntax innovations firsthand.

PHP Code Editor

<?php
echo '<pre>';
//Asymmetric Visibility
class PhpVersion
{
public private(set) string $version = '8.4';
public function increment(): void
{
[$major, $minor] = explode('.', $this->version);
$minor++;
$this->version = "{$major}.{$minor}";
}
public function getVersion(): string
{
return $this->version;
}
}
//New array_*() functions
$animal = array_find(
['dog', 'cat', 'cow', 'duck', 'goose'],
static fn (string $value): bool => str_starts_with($value, 'c'),
);
 
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Description

Test PHP 8.4 New Features Online

Experience the latest innovations in PHP 8.4 by testing its new features online! Our interactive sandbox allows you to explore enhanced performance, improved syntax, and exciting functionalities directly in your browser.

Whether you’re a developer looking to upgrade your skills or a hobbyist eager to experiment, this is your opportunity to get hands-on with PHP 8.4. Start testing today and see how these enhancements can elevate your web development projects!

  • New Array Find Functions in PHP 8.4
  • Property Hooks in PHP 8.4
  • Class instantiation without extra parenthesis in PHP 8.4
  • New mb_trim functions
  • New mb_ucfirst() and mb_lcfirst() functions
  • Asymmetric Property Visibility in PHP 8.4
    And more…

New Array Find Functions

PHP 8.4 will come with new array find functions that include:

array_find()
array_find_key()
array_any()
array_all()

PHP Property Hooks

Property hooks are inspired by languages like Kotlin, C#, and Swift, and the syntax includes two syntax variants that resemble short and multi-line closures.

new MyClass()->method() without parentheses

Since member access during instantiation was introduced, you must wrap the new MyClass() call in parentheses, or you’ll get a parse error. The proposed syntax would allow you to access constants, properties, and methods without the extra parentheses:

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