Chris@0: Logical operators
Chris@0: -----
Chris@0: <?php
Chris@0: 
Chris@0: // boolean ops
Chris@0: $a && $b;
Chris@0: $a || $b;
Chris@0: !$a;
Chris@0: !!$a;
Chris@0: 
Chris@0: // logical ops
Chris@0: $a and $b;
Chris@0: $a or $b;
Chris@0: $a xor $b;
Chris@0: 
Chris@0: // precedence
Chris@0: $a && $b || $c && $d;
Chris@0: $a && ($b || $c) && $d;
Chris@0: 
Chris@0: $a = $b || $c;
Chris@0: $a = $b or $c;
Chris@0: -----
Chris@0: array(
Chris@13:     0: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_BooleanAnd(
Chris@13:             left: Expr_Variable(
Chris@13:                 name: a
Chris@13:                 comments: array(
Chris@13:                     0: // boolean ops
Chris@13:                 )
Chris@13:             )
Chris@13:             right: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@0:             comments: array(
Chris@0:                 0: // boolean ops
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // boolean ops
Chris@0:         )
Chris@0:     )
Chris@13:     1: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_BooleanOr(
Chris@13:             left: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@13:             right: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     2: Stmt_Expression(
Chris@0:         expr: Expr_BooleanNot(
Chris@0:             expr: Expr_Variable(
Chris@0:                 name: a
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     3: Stmt_Expression(
Chris@13:         expr: Expr_BooleanNot(
Chris@13:             expr: Expr_BooleanNot(
Chris@13:                 expr: Expr_Variable(
Chris@13:                     name: a
Chris@13:                 )
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     4: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_LogicalAnd(
Chris@0:             left: Expr_Variable(
Chris@0:                 name: a
Chris@0:                 comments: array(
Chris@13:                     0: // logical ops
Chris@0:                 )
Chris@0:             )
Chris@0:             right: Expr_Variable(
Chris@0:                 name: b
Chris@0:             )
Chris@0:             comments: array(
Chris@13:                 0: // logical ops
Chris@0:             )
Chris@0:         )
Chris@13:         comments: array(
Chris@13:             0: // logical ops
Chris@13:         )
Chris@13:     )
Chris@13:     5: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_LogicalOr(
Chris@0:             left: Expr_Variable(
Chris@13:                 name: a
Chris@0:             )
Chris@0:             right: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13:     6: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_LogicalXor(
Chris@13:             left: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@13:             right: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13:     7: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_BooleanOr(
Chris@13:             left: Expr_BinaryOp_BooleanAnd(
Chris@13:                 left: Expr_Variable(
Chris@13:                     name: a
Chris@13:                     comments: array(
Chris@13:                         0: // precedence
Chris@13:                     )
Chris@13:                 )
Chris@13:                 right: Expr_Variable(
Chris@13:                     name: b
Chris@13:                 )
Chris@13:                 comments: array(
Chris@13:                     0: // precedence
Chris@13:                 )
Chris@13:             )
Chris@13:             right: Expr_BinaryOp_BooleanAnd(
Chris@13:                 left: Expr_Variable(
Chris@13:                     name: c
Chris@13:                 )
Chris@13:                 right: Expr_Variable(
Chris@13:                     name: d
Chris@13:                 )
Chris@13:             )
Chris@13:             comments: array(
Chris@13:                 0: // precedence
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // precedence
Chris@0:         )
Chris@0:     )
Chris@13:     8: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_BooleanAnd(
Chris@13:             left: Expr_BinaryOp_BooleanAnd(
Chris@13:                 left: Expr_Variable(
Chris@13:                     name: a
Chris@13:                 )
Chris@13:                 right: Expr_BinaryOp_BooleanOr(
Chris@13:                     left: Expr_Variable(
Chris@13:                         name: b
Chris@13:                     )
Chris@13:                     right: Expr_Variable(
Chris@13:                         name: c
Chris@13:                     )
Chris@13:                 )
Chris@13:             )
Chris@13:             right: Expr_Variable(
Chris@13:                 name: d
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13:     9: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_Variable(
Chris@0:                 name: a
Chris@0:             )
Chris@13:             expr: Expr_BinaryOp_BooleanOr(
Chris@0:                 left: Expr_Variable(
Chris@0:                     name: b
Chris@0:                 )
Chris@0:                 right: Expr_Variable(
Chris@0:                     name: c
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     10: Stmt_Expression(
Chris@13:         expr: Expr_BinaryOp_LogicalOr(
Chris@13:             left: Expr_Assign(
Chris@13:                 var: Expr_Variable(
Chris@13:                     name: a
Chris@13:                 )
Chris@13:                 expr: Expr_Variable(
Chris@13:                     name: b
Chris@13:                 )
Chris@0:             )
Chris@0:             right: Expr_Variable(
Chris@0:                 name: c
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@0: )