PHP advances to version 7.4
While newer programming languages crop up to tackle development dilemmas in creative new ways, PHP has continued to evolve to handle them its own way. The PHP development team has now announced the release of PHP 7.4.0, the fourth feature update to the PHP 7 series.
• Typed Properties
• Arrow Functions
• Limited Return Type Covariance and Argument Type Contravariance
• Unpacking Inside Arrays
• Numeric Literal Separator
• Weak References
• Allow Exceptions from __toString()
• Opcache Preloading
• Several Deprecations
• Extensions Removed from the Core
PHP is the language and ecosystem used by countless commercial and non-commercial sites and software from Facebook and Wikipedia to Flickr and Tumblr. Also notable, a huge array of content management systems use PHP. Arguably the most recognizable would be WordPress but there's also MediaWiki which is similarly used by Wikipedia.org as well as numerous wiki sites. It's a thriving language and system that remains a solid choice for site building.
As a side note, if you're interested in finding out the type of language or technology a particular site is using, you can check out apps Wappalyzer.
PHP development release post