php-parser/test/code/parser/stmt/function/variadicDefaultValue.test

Invalid variadic function
-----
<?php
function foo(...$foo = []) {}
-----
Variadic parameter cannot have a default value from 2:24 to 2:25
array(
    0: Stmt_Function(
        attrGroups: array(
        )
        byRef: false
        name: Identifier(
            name: foo
        )
        params: array(
            0: Param(
                attrGroups: array(
                )
                flags: 0
                type: null
                byRef: false
                variadic: true
                var: Expr_Variable(
                    name: foo
                )
                default: Expr_Array(
                    items: array(
                    )
                )
            )
        )
        returnType: null
        stmts: array(
        )
    )
)