1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103
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--TEST--
Arrow functions ('fn($x) => $x') in PHP 7.4
--SKIPIF--
<?php if (PHP_VERSION_ID < 70400) die('skip PHP >= 7.4 only'); ?>
--FILE--
<?php
require __DIR__ . '/../util.php';
$code = <<<'PHP'
<?php
$y = 1;
$a = fn($x) => $x * $y;
$b = static fn() => 1;
$c = /** doc comment */ static fn(?int... $args): array => $args;
$fn = fn() => yield 123;
PHP;
$node = ast\parse_code($code, $version=70);
$version_70_repr = ast_dump($node);
echo $version_70_repr . "\n";
$node50 = ast\parse_code($code, $version=50);
$version_50_repr = ast_dump($node50);
echo "Same representation in version 50/70: ";
var_export($version_50_repr == $version_70_repr);
echo "\n";
?>
--EXPECTF--
AST_STMT_LIST
0: AST_ASSIGN
var: AST_VAR
name: "y"
expr: 1
1: AST_ASSIGN
var: AST_VAR
name: "a"
expr: AST_ARROW_FUNC
name: "{closure}"
docComment: null
params: AST_PARAM_LIST
0: AST_PARAM
type: null
name: "x"
default: null
stmts: AST_RETURN
expr: AST_BINARY_OP
flags: BINARY_MUL (%d)
left: AST_VAR
name: "x"
right: AST_VAR
name: "y"
returnType: null
__declId: 0
2: AST_ASSIGN
var: AST_VAR
name: "b"
expr: AST_ARROW_FUNC
flags: MODIFIER_STATIC (%d)
name: "{closure}"
docComment: null
params: AST_PARAM_LIST
stmts: AST_RETURN
expr: 1
returnType: null
__declId: 1
3: AST_ASSIGN
var: AST_VAR
name: "c"
expr: AST_ARROW_FUNC
flags: MODIFIER_STATIC (%d)
name: "{closure}"
docComment: "/** doc comment */"
params: AST_PARAM_LIST
0: AST_PARAM
flags: PARAM_VARIADIC (%d)
type: AST_NULLABLE_TYPE
type: AST_TYPE
flags: TYPE_LONG (%d)
name: "args"
default: null
stmts: AST_RETURN
expr: AST_VAR
name: "args"
returnType: AST_TYPE
flags: TYPE_ARRAY (%d)
__declId: 2
4: AST_ASSIGN
var: AST_VAR
name: "fn"
expr: AST_ARROW_FUNC
flags: FUNC_GENERATOR (%d)
name: "{closure}"
docComment: null
params: AST_PARAM_LIST
stmts: AST_RETURN
expr: AST_YIELD
value: 123
key: null
returnType: null
__declId: 3
Deprecated: ast\parse_code(): Version 50 is deprecated in %s.php on line 17
Same representation in version 50/70: true
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