← CodePrimer
PHP
Beginner
Basics
Default function arguments
How do I make a parameter optional?
Default values.
<?php
function greeter(string $name = 'Guest'): string {
return 'Hi, ' . $name;
}
echo greeter();
echo greeter('Ada');
Notes
Defaults must be on the right-most parameters.
Keywords: default · argument · function
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