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Array/string dereferencing
-----
<?php
"abc"[2];
"abc"[2][0][0];
[1, 2, 3][2];
[1, 2, 3][2][0][0];
array(1, 2, 3)[2];
array(1, 2, 3)[2][0][0];
FOO[0];
Foo::BAR[1];
$foo::BAR[2][1][0];
-----
array(
0: Expr_ArrayDimFetch(
var: Scalar_String(
value: abc
)
dim: Scalar_LNumber(
value: 2
)
)
1: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Scalar_String(
value: abc
)
dim: Scalar_LNumber(
value: 2
)
)
dim: Scalar_LNumber(
value: 0
)
)
dim: Scalar_LNumber(
value: 0
)
)
2: Expr_ArrayDimFetch(
var: Expr_Array(
items: array(
0: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 1
)
byRef: false
)
1: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 2
)
byRef: false
)
2: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 3
)
byRef: false
)
)
)
dim: Scalar_LNumber(
value: 2
)
)
3: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_Array(
items: array(
0: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 1
)
byRef: false
)
1: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 2
)
byRef: false
)
2: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 3
)
byRef: false
)
)
)
dim: Scalar_LNumber(
value: 2
)
)
dim: Scalar_LNumber(
value: 0
)
)
dim: Scalar_LNumber(
value: 0
)
)
4: Expr_ArrayDimFetch(
var: Expr_Array(
items: array(
0: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 1
)
byRef: false
)
1: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 2
)
byRef: false
)
2: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 3
)
byRef: false
)
)
)
dim: Scalar_LNumber(
value: 2
)
)
5: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_Array(
items: array(
0: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 1
)
byRef: false
)
1: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 2
)
byRef: false
)
2: Expr_ArrayItem(
key: null
value: Scalar_LNumber(
value: 3
)
byRef: false
)
)
)
dim: Scalar_LNumber(
value: 2
)
)
dim: Scalar_LNumber(
value: 0
)
)
dim: Scalar_LNumber(
value: 0
)
)
6: Expr_ArrayDimFetch(
var: Expr_ConstFetch(
name: Name(
parts: array(
0: FOO
)
)
)
dim: Scalar_LNumber(
value: 0
)
)
7: Expr_ArrayDimFetch(
var: Expr_ClassConstFetch(
class: Name(
parts: array(
0: Foo
)
)
name: BAR
)
dim: Scalar_LNumber(
value: 1
)
)
8: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_ArrayDimFetch(
var: Expr_ClassConstFetch(
class: Expr_Variable(
name: foo
)
name: BAR
)
dim: Scalar_LNumber(
value: 2
)
)
dim: Scalar_LNumber(
value: 1
)
)
dim: Scalar_LNumber(
value: 0
)
)
)