Chris@0: Array/string dereferencing
Chris@0: -----
Chris@0: <?php
Chris@0: 
Chris@0: "abc"[2];
Chris@0: "abc"[2][0][0];
Chris@0: 
Chris@0: [1, 2, 3][2];
Chris@0: [1, 2, 3][2][0][0];
Chris@0: 
Chris@0: array(1, 2, 3)[2];
Chris@0: array(1, 2, 3)[2][0][0];
Chris@0: 
Chris@0: FOO[0];
Chris@0: Foo::BAR[1];
Chris@0: $foo::BAR[2][1][0];
Chris@0: -----
Chris@0: array(
Chris@13:     0: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Scalar_String(
Chris@13:                 value: abc
Chris@13:             )
Chris@13:             dim: Scalar_LNumber(
Chris@13:                 value: 2
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     1: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@0:             var: Expr_ArrayDimFetch(
Chris@13:                 var: Expr_ArrayDimFetch(
Chris@13:                     var: Scalar_String(
Chris@13:                         value: abc
Chris@13:                     )
Chris@13:                     dim: Scalar_LNumber(
Chris@13:                         value: 2
Chris@13:                     )
Chris@0:                 )
Chris@0:                 dim: Scalar_LNumber(
Chris@13:                     value: 0
Chris@0:                 )
Chris@0:             )
Chris@0:             dim: Scalar_LNumber(
Chris@0:                 value: 0
Chris@0:             )
Chris@0:         )
Chris@13:     )
Chris@13:     2: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_Array(
Chris@13:                 items: array(
Chris@13:                     0: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 1
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                     1: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 2
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                     2: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 3
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                 )
Chris@13:             )
Chris@13:             dim: Scalar_LNumber(
Chris@13:                 value: 2
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     3: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_ArrayDimFetch(
Chris@13:                 var: Expr_ArrayDimFetch(
Chris@13:                     var: Expr_Array(
Chris@13:                         items: array(
Chris@13:                             0: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 1
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                             1: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 2
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                             2: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 3
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                         )
Chris@0:                     )
Chris@13:                     dim: Scalar_LNumber(
Chris@0:                         value: 2
Chris@0:                     )
Chris@0:                 )
Chris@0:                 dim: Scalar_LNumber(
Chris@13:                     value: 0
Chris@0:                 )
Chris@0:             )
Chris@0:             dim: Scalar_LNumber(
Chris@0:                 value: 0
Chris@0:             )
Chris@0:         )
Chris@13:     )
Chris@13:     4: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_Array(
Chris@13:                 items: array(
Chris@13:                     0: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 1
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                     1: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 2
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                     2: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Scalar_LNumber(
Chris@13:                             value: 3
Chris@13:                         )
Chris@13:                         byRef: false
Chris@13:                     )
Chris@13:                 )
Chris@13:             )
Chris@13:             dim: Scalar_LNumber(
Chris@13:                 value: 2
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     5: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_ArrayDimFetch(
Chris@13:                 var: Expr_ArrayDimFetch(
Chris@13:                     var: Expr_Array(
Chris@13:                         items: array(
Chris@13:                             0: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 1
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                             1: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 2
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                             2: Expr_ArrayItem(
Chris@13:                                 key: null
Chris@13:                                 value: Scalar_LNumber(
Chris@13:                                     value: 3
Chris@13:                                 )
Chris@13:                                 byRef: false
Chris@13:                             )
Chris@13:                         )
Chris@0:                     )
Chris@13:                     dim: Scalar_LNumber(
Chris@0:                         value: 2
Chris@0:                     )
Chris@0:                 )
Chris@0:                 dim: Scalar_LNumber(
Chris@13:                     value: 0
Chris@0:                 )
Chris@0:             )
Chris@0:             dim: Scalar_LNumber(
Chris@0:                 value: 0
Chris@0:             )
Chris@0:         )
Chris@13:     )
Chris@13:     6: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_ConstFetch(
Chris@13:                 name: Name(
Chris@13:                     parts: array(
Chris@13:                         0: FOO
Chris@13:                     )
Chris@13:                 )
Chris@13:             )
Chris@13:             dim: Scalar_LNumber(
Chris@13:                 value: 0
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     7: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_ClassConstFetch(
Chris@13:                 class: Name(
Chris@13:                     parts: array(
Chris@13:                         0: Foo
Chris@13:                     )
Chris@0:                 )
Chris@13:                 name: Identifier(
Chris@0:                     name: BAR
Chris@0:                 )
Chris@0:             )
Chris@0:             dim: Scalar_LNumber(
Chris@0:                 value: 1
Chris@0:             )
Chris@0:         )
Chris@13:     )
Chris@13:     8: Stmt_Expression(
Chris@13:         expr: Expr_ArrayDimFetch(
Chris@13:             var: Expr_ArrayDimFetch(
Chris@13:                 var: Expr_ArrayDimFetch(
Chris@13:                     var: Expr_ClassConstFetch(
Chris@13:                         class: Expr_Variable(
Chris@13:                             name: foo
Chris@13:                         )
Chris@13:                         name: Identifier(
Chris@13:                             name: BAR
Chris@13:                         )
Chris@13:                     )
Chris@13:                     dim: Scalar_LNumber(
Chris@13:                         value: 2
Chris@13:                     )
Chris@13:                 )
Chris@13:                 dim: Scalar_LNumber(
Chris@13:                     value: 1
Chris@13:                 )
Chris@13:             )
Chris@13:             dim: Scalar_LNumber(
Chris@13:                 value: 0
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@0: )