mirror of
https://github.com/phabelio/PHP-Parser.git
synced 2024-12-12 00:59:49 +01:00
69c5d48afd
RFC: https://wiki.php.net/rfc/match_expression_v2 Upstream implementation: php/php-src#5371 Closes #671.
218 lines
5.4 KiB
Plaintext
218 lines
5.4 KiB
Plaintext
Match
|
|
-----
|
|
<?php
|
|
|
|
echo match (1) {
|
|
0 => 'Foo',
|
|
1 => 'Bar',
|
|
};
|
|
-----
|
|
!!php7
|
|
array(
|
|
0: Stmt_Echo(
|
|
exprs: array(
|
|
0: Expr_Match(
|
|
cond: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
arms: array(
|
|
0: MatchArm(
|
|
conds: array(
|
|
0: Scalar_LNumber(
|
|
value: 0
|
|
)
|
|
)
|
|
body: Scalar_String(
|
|
value: Foo
|
|
)
|
|
)
|
|
1: MatchArm(
|
|
conds: array(
|
|
0: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
)
|
|
body: Scalar_String(
|
|
value: Bar
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
-----
|
|
<?php
|
|
|
|
$value = match (1) {
|
|
// list of conditions
|
|
0, 1 => 'Foo',
|
|
};
|
|
-----
|
|
!!php7
|
|
array(
|
|
0: Stmt_Expression(
|
|
expr: Expr_Assign(
|
|
var: Expr_Variable(
|
|
name: value
|
|
)
|
|
expr: Expr_Match(
|
|
cond: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
arms: array(
|
|
0: MatchArm(
|
|
conds: array(
|
|
0: Scalar_LNumber(
|
|
value: 0
|
|
comments: array(
|
|
0: // list of conditions
|
|
)
|
|
)
|
|
1: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
)
|
|
body: Scalar_String(
|
|
value: Foo
|
|
)
|
|
comments: array(
|
|
0: // list of conditions
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
-----
|
|
<?php
|
|
|
|
$result = match ($operator) {
|
|
BinaryOperator::ADD => $lhs + $rhs,
|
|
};
|
|
-----
|
|
!!php7
|
|
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(
|
|
parts: array(
|
|
0: 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'
|
|
};
|
|
-----
|
|
!!php7
|
|
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_LNumber(
|
|
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',
|
|
};
|
|
-----
|
|
!!php7
|
|
array(
|
|
0: Stmt_Expression(
|
|
expr: Expr_Assign(
|
|
var: Expr_Variable(
|
|
name: value
|
|
)
|
|
expr: Expr_Match(
|
|
cond: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
arms: array(
|
|
0: MatchArm(
|
|
conds: array(
|
|
0: Scalar_LNumber(
|
|
value: 0
|
|
)
|
|
1: Scalar_LNumber(
|
|
value: 1
|
|
)
|
|
)
|
|
body: Scalar_String(
|
|
value: Foo
|
|
)
|
|
)
|
|
1: MatchArm(
|
|
conds: null
|
|
body: Scalar_String(
|
|
value: Bar
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
) |