How To Specify Argument Default Values

Q

How To Specify Argument Default Values? - PHP Script Tips - Creating Your Own Functions

✍: FYIcenter.com

A

If you want to allow the caller to skip an argument when calling a function, you can define the argument with a default value when defining the function. Adding a default value to an argument can be done like this "function name($arg=expression){}. Here is a PHP script on how to specify default values to arguments:

<?php
function printKey($key="download") {
  print("PHP $key\n");
}
printKey();
printKey("hosting");
print("\n");
?>

This script will print:

PHP download
PHP hosting

2007-04-25, 4734👍, 0💬