Chris@0: Assignments
Chris@0: -----
Chris@0: <?php
Chris@0: // simple assign
Chris@0: $a = $b;
Chris@0: 
Chris@0: // combined assign
Chris@0: $a &= $b;
Chris@0: $a |= $b;
Chris@0: $a ^= $b;
Chris@0: $a .= $b;
Chris@0: $a /= $b;
Chris@0: $a -= $b;
Chris@0: $a %= $b;
Chris@0: $a *= $b;
Chris@0: $a += $b;
Chris@0: $a <<= $b;
Chris@0: $a >>= $b;
Chris@0: $a **= $b;
Chris@17: $a ??= $b;
Chris@0: 
Chris@0: // chained assign
Chris@0: $a = $b *= $c **= $d;
Chris@0: 
Chris@0: // by ref assign
Chris@0: $a =& $b;
Chris@0: 
Chris@0: // list() assign
Chris@0: list($a) = $b;
Chris@0: list($a, , $b) = $c;
Chris@0: list($a, list(, $c), $d) = $e;
Chris@0: 
Chris@0: // inc/dec
Chris@0: ++$a;
Chris@0: $a++;
Chris@0: --$a;
Chris@0: $a--;
Chris@0: -----
Chris@0: array(
Chris@13:     0: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:                 comments: array(
Chris@13:                     0: // simple assign
Chris@13:                 )
Chris@13:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@0:             comments: array(
Chris@0:                 0: // simple assign
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // simple assign
Chris@0:         )
Chris@0:     )
Chris@13:     1: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_BitwiseAnd(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:                 comments: array(
Chris@13:                     0: // combined assign
Chris@13:                 )
Chris@13:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@0:             comments: array(
Chris@0:                 0: // combined assign
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // combined assign
Chris@0:         )
Chris@0:     )
Chris@13:     2: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_BitwiseOr(
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:     )
Chris@13:     3: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_BitwiseXor(
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:     )
Chris@13:     4: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Concat(
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:     )
Chris@13:     5: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Div(
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:     )
Chris@13:     6: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Minus(
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:     )
Chris@13:     7: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Mod(
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:     )
Chris@13:     8: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Mul(
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:     )
Chris@13:     9: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Plus(
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:     )
Chris@13:     10: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_ShiftLeft(
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:     )
Chris@13:     11: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_ShiftRight(
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:     )
Chris@13:     12: Stmt_Expression(
Chris@13:         expr: Expr_AssignOp_Pow(
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:     )
Chris@13:     13: Stmt_Expression(
Chris@17:         expr: Expr_AssignOp_Coalesce(
Chris@17:             var: Expr_Variable(
Chris@17:                 name: a
Chris@17:             )
Chris@17:             expr: Expr_Variable(
Chris@17:                 name: b
Chris@17:             )
Chris@17:         )
Chris@17:     )
Chris@17:     14: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:                 comments: array(
Chris@13:                     0: // chained assign
Chris@13:                 )
Chris@13:             )
Chris@13:             expr: Expr_AssignOp_Mul(
Chris@13:                 var: Expr_Variable(
Chris@13:                     name: b
Chris@13:                 )
Chris@13:                 expr: Expr_AssignOp_Pow(
Chris@13:                     var: Expr_Variable(
Chris@13:                         name: c
Chris@13:                     )
Chris@13:                     expr: Expr_Variable(
Chris@13:                         name: d
Chris@13:                     )
Chris@13:                 )
Chris@13:             )
Chris@0:             comments: array(
Chris@0:                 0: // chained assign
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // chained assign
Chris@0:         )
Chris@0:     )
Chris@17:     15: Stmt_Expression(
Chris@13:         expr: Expr_AssignRef(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:                 comments: array(
Chris@13:                     0: // by ref assign
Chris@13:                 )
Chris@13:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: b
Chris@13:             )
Chris@0:             comments: array(
Chris@0:                 0: // by ref assign
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // by ref assign
Chris@0:         )
Chris@0:     )
Chris@17:     16: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_List(
Chris@13:                 items: array(
Chris@13:                     0: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_Variable(
Chris@13:                             name: a
Chris@13:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@0:                 )
Chris@13:                 comments: array(
Chris@13:                     0: // list() assign
Chris@13:                 )
Chris@13:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: b
Chris@0:             )
Chris@0:             comments: array(
Chris@0:                 0: // list() assign
Chris@0:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // list() assign
Chris@0:         )
Chris@0:     )
Chris@17:     17: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_List(
Chris@13:                 items: array(
Chris@13:                     0: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_Variable(
Chris@13:                             name: a
Chris@13:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@13:                     1: null
Chris@13:                     2: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_Variable(
Chris@13:                             name: b
Chris@13:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: c
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@17:     18: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_List(
Chris@13:                 items: array(
Chris@13:                     0: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_Variable(
Chris@13:                             name: a
Chris@13:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@13:                     1: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_List(
Chris@13:                             items: array(
Chris@13:                                 0: null
Chris@13:                                 1: Expr_ArrayItem(
Chris@13:                                     key: null
Chris@13:                                     value: Expr_Variable(
Chris@13:                                         name: c
Chris@13:                                     )
Chris@13:                                     byRef: false
Chris@0:                                 )
Chris@0:                             )
Chris@0:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@13:                     2: Expr_ArrayItem(
Chris@13:                         key: null
Chris@13:                         value: Expr_Variable(
Chris@13:                             name: d
Chris@13:                         )
Chris@13:                         byRef: false
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@13:             expr: Expr_Variable(
Chris@13:                 name: e
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@17:     19: Stmt_Expression(
Chris@13:         expr: Expr_PreInc(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@13:             comments: array(
Chris@13:                 0: // inc/dec
Chris@13:             )
Chris@0:         )
Chris@0:         comments: array(
Chris@0:             0: // inc/dec
Chris@0:         )
Chris@0:     )
Chris@17:     20: Stmt_Expression(
Chris@13:         expr: Expr_PostInc(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@17:     21: Stmt_Expression(
Chris@13:         expr: Expr_PreDec(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@17:     22: Stmt_Expression(
Chris@13:         expr: Expr_PostDec(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: a
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@0: )