How To Install PHP 7.3

Want to upgrade to the PHP release? Here are some instructions written down by Colin O' Dell.

PHP 7.3 has been released, bringing some great new features to the language such as trailing commas in function calls, throwing errors when JSON parsing fails, array_key_first() / array_key_last() functions, and much more! Here's a brief guide on how to install PHP 7.3 on Linux, Windows, and OS X:

https://www.colinodell.com/blog/201812/how-install-php-73

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