Parameter¶
A parameter is a variable in a method definition. They have a name, and may have a default value and type. They may also be passed by reference, or by value, which is the default way.
<?php
function foo($parameter) {}
$argument = 1;
foo($argument);
?>
Related : Argument, Static Expression, Comma, Constant Scalar Expression, Default Value, Inherited Variable, New In Initializers, Optional Parameter
