syntax issue on php 7.4

1. Is PHP 7.4 stable?
2. Is PHP 7.4 backwards compatible?
3. Is PHP 7.3 stable?
4. When did PHP 7.4 come out?
5. Is PHP a dying language?
6. Is PHP going away?
7. What is current PHP version?
8. How can I check my PHP version?
9. How do I know if PHP is compatible?
10. Which PHP version is fastest?
11. Should I upgrade to PHP 8?
12. Should I update PHP version?

Is PHP 7.4 stable?

PHP 7.4 is the latest stable version of PHP. It was released on November 28, 2019 and it's the last version before PHP 8. It brings lots of new features, syntax additions and fixes.

Is PHP 7.4 backwards compatible?

This means that serialization payloads created on older PHP versions can still be unserialized, but new payloads created by PHP 7.4 will not be understood by older versions.

Is PHP 7.3 stable?

Kinsta has supported the latest stable versions of PHP 7.2, 7.3, 7.4, and 8.0 ever since their stable releases.

When did PHP 7.4 come out?

PHP 7.4, the next PHP 7 minor release, has been released for General Availability as of November 28th, 2019.

Is PHP a dying language?

According to W3Techs' data, PHP is used by 78.9% of all websites with a known server-side programming language. So almost 8 out of every 10 websites that you visit on the Internet are using PHP in some way. ... But when the number is still over 75%, it's tough to use that decline to pronounce PHP as dead.

Is PHP going away?

PHP isn't quite dead, but it isn't fully alive either — not in an independent manner like JavaScript is currently in the development ecosystem. The server-side language's relationship with WordPress is an intimate one and rests on the platform's long-term uptake by general users. ... So overall, PHP is doing just fine.

What is current PHP version?

PHP

How can I check my PHP version?

1. Type the following command, replacing [location] with the path to your PHP installation. 2. Typing php -v now shows the PHP version installed on your Windows system.

How do I know if PHP is compatible?

Check PHP 7 compatibility of WordPress plugins and themes

1. Log in to WordPress.
2. Install the "PHP Compatibility Checker" plugin in WordPress.
3. Activate the plugin.
4. From the menu on the left expand Tools.
5. Select PHP Compatibility.
6. In the Scan Options section select the PHP version you want to check compatibility for: ...
7. Select one of the following:

Which PHP version is fastest?

PHP 7.4 is the fastest with CodeIgniter, performing 26.84% more requests per second than PHP 7.2.

Should I upgrade to PHP 8?

Should you update now to PHP 8? The short and sweet answer is 'Yes. ' This is universally true, at least in the world of PHP development.

Should I update PHP version?

Not only will upgrading give you immediate performance gains, but your site will also be better protected against security vulnerabilities found in older versions of PHP. Before upgrading your site, make sure you check your site's compatibility with the PHP version you want to switch to and run a backup.