PHP 8 is a major update to PHP that includes a new just-in-time compiler (JIT) and many new language features. InfoQ has spoken with Sentry principal developer Mark Story to better understand what rol ...

PHP supports several types of functions including user-defined functions, internal functions, variable functions, and anonymous functions. New Function to define Array Constants.

The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable.