Declaring clone function stub
-----
<?php

function clone(object $object, array $withProperties = []): object {}
clone $x;
clone($x);
clone($x, );
clone($x, [ "foo" => $foo, "bar" => $bar ]);
clone($x, $array);
clone($x, $array, $extraParameter, $trailingComma, );
clone(object: $x, withProperties: [ "foo" => $foo, "bar" => $bar ]);
clone($x, withProperties: [ "foo" => $foo, "bar" => $bar ]);
clone(object: $x);
clone(object: $x, [ "foo" => $foo, "bar" => $bar ]);
clone(...["object" => $x, "withProperties" => [ "foo" => $foo, "bar" => $bar ]]);
clone(...);
-----
array(
    0: Stmt_Function(
        attrGroups: array(
        )
        byRef: false
        name: Identifier(
            name: clone
        )
        params: array(
            0: Param(
                attrGroups: array(
                )
                flags: 0
                type: Identifier(
                    name: object
                )
                byRef: false
                variadic: false
                var: Expr_Variable(
                    name: object
                )
                default: null
                hooks: array(
                )
            )
            1: Param(
                attrGroups: array(
                )
                flags: 0
                type: Identifier(
                    name: array
                )
                byRef: false
                variadic: false
                var: Expr_Variable(
                    name: withProperties
                )
                default: Expr_Array(
                    items: array(
                    )
                )
                hooks: array(
                )
            )
        )
        returnType: Identifier(
            name: object
        )
        stmts: array(
        )
    )
    1: Stmt_Expression(
        expr: Expr_Clone(
            expr: Expr_Variable(
                name: x
            )
        )
    )
    2: Stmt_Expression(
        expr: Expr_Clone(
            expr: Expr_Variable(
                name: x
            )
        )
    )
    3: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    4: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: null
                    value: Expr_Array(
                        items: array(
                            0: ArrayItem(
                                key: Scalar_String(
                                    value: foo
                                )
                                value: Expr_Variable(
                                    name: foo
                                )
                                byRef: false
                                unpack: false
                            )
                            1: ArrayItem(
                                key: Scalar_String(
                                    value: bar
                                )
                                value: Expr_Variable(
                                    name: bar
                                )
                                byRef: false
                                unpack: false
                            )
                        )
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    5: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: null
                    value: Expr_Variable(
                        name: array
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    6: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: null
                    value: Expr_Variable(
                        name: array
                    )
                    byRef: false
                    unpack: false
                )
                2: Arg(
                    name: null
                    value: Expr_Variable(
                        name: extraParameter
                    )
                    byRef: false
                    unpack: false
                )
                3: Arg(
                    name: null
                    value: Expr_Variable(
                        name: trailingComma
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    7: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: Identifier(
                        name: object
                    )
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: Identifier(
                        name: withProperties
                    )
                    value: Expr_Array(
                        items: array(
                            0: ArrayItem(
                                key: Scalar_String(
                                    value: foo
                                )
                                value: Expr_Variable(
                                    name: foo
                                )
                                byRef: false
                                unpack: false
                            )
                            1: ArrayItem(
                                key: Scalar_String(
                                    value: bar
                                )
                                value: Expr_Variable(
                                    name: bar
                                )
                                byRef: false
                                unpack: false
                            )
                        )
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    8: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: Identifier(
                        name: withProperties
                    )
                    value: Expr_Array(
                        items: array(
                            0: ArrayItem(
                                key: Scalar_String(
                                    value: foo
                                )
                                value: Expr_Variable(
                                    name: foo
                                )
                                byRef: false
                                unpack: false
                            )
                            1: ArrayItem(
                                key: Scalar_String(
                                    value: bar
                                )
                                value: Expr_Variable(
                                    name: bar
                                )
                                byRef: false
                                unpack: false
                            )
                        )
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    9: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: Identifier(
                        name: object
                    )
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    10: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: Identifier(
                        name: object
                    )
                    value: Expr_Variable(
                        name: x
                    )
                    byRef: false
                    unpack: false
                )
                1: Arg(
                    name: null
                    value: Expr_Array(
                        items: array(
                            0: ArrayItem(
                                key: Scalar_String(
                                    value: foo
                                )
                                value: Expr_Variable(
                                    name: foo
                                )
                                byRef: false
                                unpack: false
                            )
                            1: ArrayItem(
                                key: Scalar_String(
                                    value: bar
                                )
                                value: Expr_Variable(
                                    name: bar
                                )
                                byRef: false
                                unpack: false
                            )
                        )
                    )
                    byRef: false
                    unpack: false
                )
            )
        )
    )
    11: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: Arg(
                    name: null
                    value: Expr_Array(
                        items: array(
                            0: ArrayItem(
                                key: Scalar_String(
                                    value: object
                                )
                                value: Expr_Variable(
                                    name: x
                                )
                                byRef: false
                                unpack: false
                            )
                            1: ArrayItem(
                                key: Scalar_String(
                                    value: withProperties
                                )
                                value: Expr_Array(
                                    items: array(
                                        0: ArrayItem(
                                            key: Scalar_String(
                                                value: foo
                                            )
                                            value: Expr_Variable(
                                                name: foo
                                            )
                                            byRef: false
                                            unpack: false
                                        )
                                        1: ArrayItem(
                                            key: Scalar_String(
                                                value: bar
                                            )
                                            value: Expr_Variable(
                                                name: bar
                                            )
                                            byRef: false
                                            unpack: false
                                        )
                                    )
                                )
                                byRef: false
                                unpack: false
                            )
                        )
                    )
                    byRef: false
                    unpack: true
                )
            )
        )
    )
    12: Stmt_Expression(
        expr: Expr_FuncCall(
            name: Name(
                name: clone
            )
            args: array(
                0: VariadicPlaceholder(
                )
            )
        )
    )
)