Chris@0: Variable syntaxes
Chris@0: -----
Chris@0: <?php
Chris@0: 
Chris@0: $a;
Chris@0: ${'a'};
Chris@0: ${foo()};
Chris@0: $$a;
Chris@0: $$$a;
Chris@0: $$a['b'];
Chris@0: -----
Chris@0: !!php5
Chris@0: array(
Chris@13:     0: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@13:             name: a
Chris@0:         )
Chris@0:     )
Chris@13:     1: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@13:             name: Scalar_String(
Chris@13:                 value: a
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     2: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@13:             name: Expr_FuncCall(
Chris@13:                 name: Name(
Chris@13:                     parts: array(
Chris@13:                         0: foo
Chris@13:                     )
Chris@13:                 )
Chris@13:                 args: array(
Chris@13:                 )
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     3: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@0:             name: Expr_Variable(
Chris@0:                 name: a
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     4: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@13:             name: Expr_Variable(
Chris@13:                 name: Expr_Variable(
Chris@13:                     name: a
Chris@13:                 )
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     5: Stmt_Expression(
Chris@13:         expr: Expr_Variable(
Chris@13:             name: Expr_ArrayDimFetch(
Chris@13:                 var: Expr_Variable(
Chris@13:                     name: a
Chris@13:                 )
Chris@13:                 dim: Scalar_String(
Chris@13:                     value: b
Chris@13:                 )
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13: )