Chris@0: Array destructuring
Chris@0: -----
Chris@0: <?php
Chris@0: 
Chris@0: [$a, $b] = [$c, $d];
Chris@0: [, $a, , , $b, ,] = $foo;
Chris@0: [, [[$a]], $b] = $bar;
Chris@0: ['a' => $b, 'b' => $a] = $baz;
Chris@0: -----
Chris@0: !!php7
Chris@0: array(
Chris@0:     0: Expr_Assign(
Chris@0:         var: Expr_Array(
Chris@0:             items: array(
Chris@0:                 0: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: a
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 1: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: b
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:         expr: Expr_Array(
Chris@0:             items: array(
Chris@0:                 0: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: c
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 1: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: d
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@0:     1: Expr_Assign(
Chris@0:         var: Expr_Array(
Chris@0:             items: array(
Chris@0:                 0: null
Chris@0:                 1: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: a
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 2: null
Chris@0:                 3: null
Chris@0:                 4: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: b
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 5: null
Chris@0:             )
Chris@0:         )
Chris@0:         expr: Expr_Variable(
Chris@0:             name: foo
Chris@0:         )
Chris@0:     )
Chris@0:     2: Expr_Assign(
Chris@0:         var: Expr_Array(
Chris@0:             items: array(
Chris@0:                 0: null
Chris@0:                 1: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Array(
Chris@0:                         items: array(
Chris@0:                             0: Expr_ArrayItem(
Chris@0:                                 key: null
Chris@0:                                 value: Expr_Array(
Chris@0:                                     items: array(
Chris@0:                                         0: Expr_ArrayItem(
Chris@0:                                             key: null
Chris@0:                                             value: Expr_Variable(
Chris@0:                                                 name: a
Chris@0:                                             )
Chris@0:                                             byRef: false
Chris@0:                                         )
Chris@0:                                     )
Chris@0:                                 )
Chris@0:                                 byRef: false
Chris@0:                             )
Chris@0:                         )
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 2: Expr_ArrayItem(
Chris@0:                     key: null
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: b
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:         expr: Expr_Variable(
Chris@0:             name: bar
Chris@0:         )
Chris@0:     )
Chris@0:     3: Expr_Assign(
Chris@0:         var: Expr_Array(
Chris@0:             items: array(
Chris@0:                 0: Expr_ArrayItem(
Chris@0:                     key: Scalar_String(
Chris@0:                         value: a
Chris@0:                     )
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: b
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:                 1: Expr_ArrayItem(
Chris@0:                     key: Scalar_String(
Chris@0:                         value: b
Chris@0:                     )
Chris@0:                     value: Expr_Variable(
Chris@0:                         name: a
Chris@0:                     )
Chris@0:                     byRef: false
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:         expr: Expr_Variable(
Chris@0:             name: baz
Chris@0:         )
Chris@0:     )
Chris@0: )