Tools, FAQ, Tutorials:
Specifying Argument Default Values in PHP
How To Specify Argument Default Values? in PHP?
✍: FYIcenter.com
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
⇒ Function with Undefined Number of Arguments in PHP
⇐ Returning a Reference from a Function in PHP
2016-12-04, 1889🔥, 0💬
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