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 trumpet($parameter) {}

    $argument = 1;
    trumpet($argument);

?>

Documentation

See Also

• PHP Default Parameters
• How to create default function parameter in PHP?

Related

• Argument
• Static Expression
• Comma
• References
• Type System
• Variadic
• Constant Scalar Expression
• Default Value
• Inherited Variable
• New In Initializers
• Optional Parameter
• Positional Parameters
• Named Parameters
• Arbitrary Number Of Argument
• Passing By Reference
• Passing By Value
• Composite Type
• Copy On Write (COW)