parser/expr/match.test

Match
-----
<?php

echo match (1) {
    0 => 'Foo',
    1 => 'Bar',
};
-----
array(
    0: Stmt_Echo(
        exprs: array(
            0: Expr_Match(
                cond: Scalar_Int(
                    value: 1
                )
                arms: array(
                    0: MatchArm(
                        conds: array(
                            0: Scalar_Int(
                                value: 0
                            )
                        )
                        body: Scalar_String(
                            value: Foo
                        )
                    )
                    1: MatchArm(
                        conds: array(
                            0: Scalar_Int(
                                value: 1
                            )
                        )
                        body: Scalar_String(
                            value: Bar
                        )
                    )
                )
            )
        )
    )
)
-----
<?php

$value = match (1) {
    // list of conditions
    0, 1 => 'Foo',
};
-----
array(
    0: Stmt_Expression(
        expr: Expr_Assign(
            var: Expr_Variable(
                name: value
            )
            expr: Expr_Match(
                cond: Scalar_Int(
                    value: 1
                )
                arms: array(
                    0: MatchArm(
                        conds: array(
                            0: Scalar_Int(
                                value: 0
                            )
                            1: Scalar_Int(
                                value: 1
                            )
                        )
                        body: Scalar_String(
                            value: Foo
                        )
                        comments: array(
                            0: // list of conditions
                        )
                    )
                )
            )
        )
    )
)
-----
<?php

$result = match ($operator) {
    BinaryOperator::ADD => $lhs + $rhs,
};
-----
array(
    0: Stmt_Expression(
        expr: Expr_Assign(
            var: Expr_Variable(
                name: result
            )
            expr: Expr_Match(
                cond: Expr_Variable(
                    name: operator
                )
                arms: array(
                    0: MatchArm(
                        conds: array(
                            0: Expr_ClassConstFetch(
                                class: Name(
                                    name: BinaryOperator
                                )
                                name: Identifier(
                                    name: ADD
                                )
                            )
                        )
                        body: Expr_BinaryOp_Plus(
                            left: Expr_Variable(
                                name: lhs
                            )
                            right: Expr_Variable(
                                name: rhs
                            )
                        )
                    )
                )
            )
        )
    )
)
-----
<?php

$value = match ($char) {
    1 => '1',
    default => 'default'
};
-----
array(
    0: Stmt_Expression(
        expr: Expr_Assign(
            var: Expr_Variable(
                name: value
            )
            expr: Expr_Match(
                cond: Expr_Variable(
                    name: char
                )
                arms: array(
                    0: MatchArm(
                        conds: array(
                            0: Scalar_Int(
                                value: 1
                            )
                        )
                        body: Scalar_String(
                            value: 1
                        )
                    )
                    1: MatchArm(
                        conds: null
                        body: Scalar_String(
                            value: default
                        )
                    )
                )
            )
        )
    )
)
-----
<?php

$value = match (1) {
    0, 1, => 'Foo',
    default, => 'Bar',
};
-----
array(
    0: Stmt_Expression(
        expr: Expr_Assign(
            var: Expr_Variable(
                name: value
            )
            expr: Expr_Match(
                cond: Scalar_Int(
                    value: 1
                )
                arms: array(
                    0: MatchArm(
                        conds: array(
                            0: Scalar_Int(
                                value: 0
                            )
                            1: Scalar_Int(
                                value: 1
                            )
                        )
                        body: Scalar_String(
                            value: Foo
                        )
                    )
                    1: MatchArm(
                        conds: null
                        body: Scalar_String(
                            value: Bar
                        )
                    )
                )
            )
        )
    )
)