In this article we explore improvements to functions in PHP 7, including the new array define(), returning a value from generator functions, generator delegation, and more.

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. You can use the function as many times as you ...

In PHP 8, the behavior of the extract () function has been changed to be more strict. In previous versions of PHP, the extract () function would simply return false if it was not passed an array ...

Use the PHP "print ()" language construct to print a value to the Web page. This value is a name (string) that will print whenever the printName () routine is called, personalizing some HTML text.