xdebug/blog/vendor/nikic/php-parser/test/code/parser/scalar/encapsedNegVarOffset.test

Encapsed string negative var offsets
-----
<?php
"$a[-0]";
"$a[-1]";
"$a[-0x0]";
"$a[-00]";
"$a[@@{ -PHP_INT_MAX - 1 }@@]";
-----
!!php7
array(
    0: Scalar_Encapsed(
        parts: array(
            0: Expr_ArrayDimFetch(
                var: Expr_Variable(
                    name: a
                )
                dim: Scalar_String(
                    value: -0
                )
            )
        )
    )
    1: Scalar_Encapsed(
        parts: array(
            0: Expr_ArrayDimFetch(
                var: Expr_Variable(
                    name: a
                )
                dim: Scalar_LNumber(
                    value: -1
                )
            )
        )
    )
    2: Scalar_Encapsed(
        parts: array(
            0: Expr_ArrayDimFetch(
                var: Expr_Variable(
                    name: a
                )
                dim: Scalar_String(
                    value: -0x0
                )
            )
        )
    )
    3: Scalar_Encapsed(
        parts: array(
            0: Expr_ArrayDimFetch(
                var: Expr_Variable(
                    name: a
                )
                dim: Scalar_String(
                    value: -00
                )
            )
        )
    )
    4: Scalar_Encapsed(
        parts: array(
            0: Expr_ArrayDimFetch(
                var: Expr_Variable(
                    name: a
                )
                dim: Scalar_LNumber(
                    value: @@{ -PHP_INT_MAX - 1 }@@
                )
            )
        )
    )
)