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Filename : arrayDestructuring.test
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Array destructuring
-----
<?php

[$a, $b] = [$c, $d];
[, $a, , , $b, ,] = $foo;
[, [[$a]], $b] = $bar;
['a' => $b, 'b' => $a] = $baz;
-----
!!php7
array(
    0: Expr_Assign(
        var: Expr_Array(
            items: array(
                0: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: a
                    )
                    byRef: false
                )
                1: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: b
                    )
                    byRef: false
                )
            )
        )
        expr: Expr_Array(
            items: array(
                0: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: c
                    )
                    byRef: false
                )
                1: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: d
                    )
                    byRef: false
                )
            )
        )
    )
    1: Expr_Assign(
        var: Expr_Array(
            items: array(
                0: null
                1: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: a
                    )
                    byRef: false
                )
                2: null
                3: null
                4: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: b
                    )
                    byRef: false
                )
                5: null
            )
        )
        expr: Expr_Variable(
            name: foo
        )
    )
    2: Expr_Assign(
        var: Expr_Array(
            items: array(
                0: null
                1: Expr_ArrayItem(
                    key: null
                    value: Expr_Array(
                        items: array(
                            0: Expr_ArrayItem(
                                key: null
                                value: Expr_Array(
                                    items: array(
                                        0: Expr_ArrayItem(
                                            key: null
                                            value: Expr_Variable(
                                                name: a
                                            )
                                            byRef: false
                                        )
                                    )
                                )
                                byRef: false
                            )
                        )
                    )
                    byRef: false
                )
                2: Expr_ArrayItem(
                    key: null
                    value: Expr_Variable(
                        name: b
                    )
                    byRef: false
                )
            )
        )
        expr: Expr_Variable(
            name: bar
        )
    )
    3: Expr_Assign(
        var: Expr_Array(
            items: array(
                0: Expr_ArrayItem(
                    key: Scalar_String(
                        value: a
                    )
                    value: Expr_Variable(
                        name: b
                    )
                    byRef: false
                )
                1: Expr_ArrayItem(
                    key: Scalar_String(
                        value: b
                    )
                    value: Expr_Variable(
                        name: a
                    )
                    byRef: false
                )
            )
        )
        expr: Expr_Variable(
            name: baz
        )
    )
)