Chris@0: Valid usages of reserved keywords as identifiers
Chris@0: -----
Chris@0: <?php
Chris@0: 
Chris@0: class Test {
Chris@0:     function array() {}
Chris@0:     function public() {}
Chris@0: 
Chris@0:     static function list() {}
Chris@0:     static function protected() {}
Chris@0: 
Chris@0:     public $class;
Chris@0:     public $private;
Chris@0: 
Chris@0:     const TRAIT = 3, FINAL = 4;
Chris@0: 
Chris@0:     const __CLASS__ = 1, __TRAIT__ = 2, __FUNCTION__ = 3, __METHOD__ = 4, __LINE__ = 5,
Chris@0:           __FILE__ = 6, __DIR__ = 7, __NAMESPACE__ = 8;
Chris@0:     // __halt_compiler does not work
Chris@0: }
Chris@0: 
Chris@0: $t = new Test;
Chris@0: $t->array();
Chris@0: $t->public();
Chris@0: 
Chris@0: Test::list();
Chris@0: Test::protected();
Chris@0: 
Chris@0: $t->class;
Chris@0: $t->private;
Chris@0: 
Chris@0: Test::TRAIT;
Chris@0: Test::FINAL;
Chris@0: 
Chris@0: class Foo {
Chris@0:     use TraitA, TraitB {
Chris@0:         TraitA::catch insteadof namespace\TraitB;
Chris@0:         TraitA::list as foreach;
Chris@0:         TraitB::throw as protected public;
Chris@0:         TraitB::self as protected;
Chris@0:         exit as die;
Chris@0:         \TraitC::exit as bye;
Chris@0:         namespace\TraitC::exit as byebye;
Chris@0:         TraitA::
Chris@0:             //
Chris@0:             /** doc comment */
Chris@0:             #
Chris@0:         catch /* comment */
Chris@0:             // comment
Chris@0:             # comment
Chris@0:         insteadof TraitB;
Chris@0:     }
Chris@0: }
Chris@0: -----
Chris@0: array(
Chris@0:     0: Stmt_Class(
Chris@0:         flags: 0
Chris@13:         name: Identifier(
Chris@13:             name: Test
Chris@13:         )
Chris@0:         extends: null
Chris@0:         implements: array(
Chris@0:         )
Chris@0:         stmts: array(
Chris@0:             0: Stmt_ClassMethod(
Chris@0:                 flags: 0
Chris@0:                 byRef: false
Chris@13:                 name: Identifier(
Chris@13:                     name: array
Chris@13:                 )
Chris@0:                 params: array(
Chris@0:                 )
Chris@0:                 returnType: null
Chris@0:                 stmts: array(
Chris@0:                 )
Chris@0:             )
Chris@0:             1: Stmt_ClassMethod(
Chris@0:                 flags: 0
Chris@0:                 byRef: false
Chris@13:                 name: Identifier(
Chris@13:                     name: public
Chris@13:                 )
Chris@0:                 params: array(
Chris@0:                 )
Chris@0:                 returnType: null
Chris@0:                 stmts: array(
Chris@0:                 )
Chris@0:             )
Chris@0:             2: Stmt_ClassMethod(
Chris@0:                 flags: MODIFIER_STATIC (8)
Chris@0:                 byRef: false
Chris@13:                 name: Identifier(
Chris@13:                     name: list
Chris@13:                 )
Chris@0:                 params: array(
Chris@0:                 )
Chris@0:                 returnType: null
Chris@0:                 stmts: array(
Chris@0:                 )
Chris@0:             )
Chris@0:             3: Stmt_ClassMethod(
Chris@0:                 flags: MODIFIER_STATIC (8)
Chris@0:                 byRef: false
Chris@13:                 name: Identifier(
Chris@13:                     name: protected
Chris@13:                 )
Chris@0:                 params: array(
Chris@0:                 )
Chris@0:                 returnType: null
Chris@0:                 stmts: array(
Chris@0:                 )
Chris@0:             )
Chris@0:             4: Stmt_Property(
Chris@0:                 flags: MODIFIER_PUBLIC (1)
Chris@17:                 type: null
Chris@0:                 props: array(
Chris@0:                     0: Stmt_PropertyProperty(
Chris@13:                         name: VarLikeIdentifier(
Chris@13:                             name: class
Chris@13:                         )
Chris@0:                         default: null
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@0:             5: Stmt_Property(
Chris@0:                 flags: MODIFIER_PUBLIC (1)
Chris@17:                 type: null
Chris@0:                 props: array(
Chris@0:                     0: Stmt_PropertyProperty(
Chris@13:                         name: VarLikeIdentifier(
Chris@13:                             name: private
Chris@13:                         )
Chris@0:                         default: null
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@0:             6: Stmt_ClassConst(
Chris@0:                 flags: 0
Chris@0:                 consts: array(
Chris@0:                     0: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: TRAIT
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 3
Chris@0:                         )
Chris@0:                     )
Chris@0:                     1: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: FINAL
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 4
Chris@0:                         )
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@0:             7: Stmt_ClassConst(
Chris@0:                 flags: 0
Chris@0:                 consts: array(
Chris@0:                     0: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __CLASS__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 1
Chris@0:                         )
Chris@0:                     )
Chris@0:                     1: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __TRAIT__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 2
Chris@0:                         )
Chris@0:                     )
Chris@0:                     2: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __FUNCTION__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 3
Chris@0:                         )
Chris@0:                     )
Chris@0:                     3: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __METHOD__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 4
Chris@0:                         )
Chris@0:                     )
Chris@0:                     4: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __LINE__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 5
Chris@0:                         )
Chris@0:                     )
Chris@0:                     5: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __FILE__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 6
Chris@0:                         )
Chris@0:                     )
Chris@0:                     6: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __DIR__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 7
Chris@0:                         )
Chris@0:                     )
Chris@0:                     7: Const(
Chris@13:                         name: Identifier(
Chris@13:                             name: __NAMESPACE__
Chris@13:                         )
Chris@0:                         value: Scalar_LNumber(
Chris@0:                             value: 8
Chris@0:                         )
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@17:             8: Stmt_Nop(
Chris@17:                 comments: array(
Chris@17:                     0: // __halt_compiler does not work
Chris@17:                 )
Chris@17:             )
Chris@0:         )
Chris@0:     )
Chris@13:     1: Stmt_Expression(
Chris@13:         expr: Expr_Assign(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: t
Chris@13:             )
Chris@13:             expr: Expr_New(
Chris@13:                 class: Name(
Chris@13:                     parts: array(
Chris@13:                         0: Test
Chris@13:                     )
Chris@13:                 )
Chris@13:                 args: array(
Chris@13:                 )
Chris@13:             )
Chris@0:         )
Chris@13:     )
Chris@13:     2: Stmt_Expression(
Chris@13:         expr: Expr_MethodCall(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: t
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: array
Chris@13:             )
Chris@13:             args: array(
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13:     3: Stmt_Expression(
Chris@13:         expr: Expr_MethodCall(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: t
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: public
Chris@13:             )
Chris@13:             args: array(
Chris@13:             )
Chris@13:         )
Chris@13:     )
Chris@13:     4: Stmt_Expression(
Chris@13:         expr: Expr_StaticCall(
Chris@0:             class: Name(
Chris@0:                 parts: array(
Chris@0:                     0: Test
Chris@0:                 )
Chris@0:             )
Chris@13:             name: Identifier(
Chris@13:                 name: list
Chris@13:             )
Chris@0:             args: array(
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@13:     5: Stmt_Expression(
Chris@13:         expr: Expr_StaticCall(
Chris@13:             class: Name(
Chris@13:                 parts: array(
Chris@13:                     0: Test
Chris@13:                 )
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: protected
Chris@13:             )
Chris@13:             args: array(
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     6: Stmt_Expression(
Chris@13:         expr: Expr_PropertyFetch(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: t
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: class
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     7: Stmt_Expression(
Chris@13:         expr: Expr_PropertyFetch(
Chris@13:             var: Expr_Variable(
Chris@13:                 name: t
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: private
Chris@0:             )
Chris@0:         )
Chris@13:     )
Chris@13:     8: Stmt_Expression(
Chris@13:         expr: Expr_ClassConstFetch(
Chris@13:             class: Name(
Chris@13:                 parts: array(
Chris@13:                     0: Test
Chris@13:                 )
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: TRAIT
Chris@13:             )
Chris@0:         )
Chris@0:     )
Chris@13:     9: Stmt_Expression(
Chris@13:         expr: Expr_ClassConstFetch(
Chris@13:             class: Name(
Chris@13:                 parts: array(
Chris@13:                     0: Test
Chris@13:                 )
Chris@13:             )
Chris@13:             name: Identifier(
Chris@13:                 name: FINAL
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@0:     10: Stmt_Class(
Chris@0:         flags: 0
Chris@13:         name: Identifier(
Chris@13:             name: Foo
Chris@13:         )
Chris@0:         extends: null
Chris@0:         implements: array(
Chris@0:         )
Chris@0:         stmts: array(
Chris@0:             0: Stmt_TraitUse(
Chris@0:                 traits: array(
Chris@0:                     0: Name(
Chris@0:                         parts: array(
Chris@0:                             0: TraitA
Chris@0:                         )
Chris@0:                     )
Chris@0:                     1: Name(
Chris@0:                         parts: array(
Chris@0:                             0: TraitB
Chris@0:                         )
Chris@0:                     )
Chris@0:                 )
Chris@0:                 adaptations: array(
Chris@0:                     0: Stmt_TraitUseAdaptation_Precedence(
Chris@0:                         trait: Name(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitA
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: catch
Chris@13:                         )
Chris@0:                         insteadof: array(
Chris@0:                             0: Name_Relative(
Chris@0:                                 parts: array(
Chris@0:                                     0: TraitB
Chris@0:                                 )
Chris@0:                             )
Chris@0:                         )
Chris@0:                     )
Chris@0:                     1: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: Name(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitA
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: list
Chris@13:                         )
Chris@0:                         newModifier: null
Chris@13:                         newName: Identifier(
Chris@13:                             name: foreach
Chris@13:                         )
Chris@0:                     )
Chris@0:                     2: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: Name(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitB
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: throw
Chris@13:                         )
Chris@0:                         newModifier: MODIFIER_PROTECTED (2)
Chris@13:                         newName: Identifier(
Chris@13:                             name: public
Chris@13:                         )
Chris@0:                     )
Chris@0:                     3: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: Name(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitB
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: self
Chris@13:                         )
Chris@0:                         newModifier: MODIFIER_PROTECTED (2)
Chris@0:                         newName: null
Chris@0:                     )
Chris@0:                     4: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: null
Chris@13:                         method: Identifier(
Chris@13:                             name: exit
Chris@13:                         )
Chris@0:                         newModifier: null
Chris@13:                         newName: Identifier(
Chris@13:                             name: die
Chris@13:                         )
Chris@0:                     )
Chris@0:                     5: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: Name_FullyQualified(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitC
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: exit
Chris@13:                         )
Chris@0:                         newModifier: null
Chris@13:                         newName: Identifier(
Chris@13:                             name: bye
Chris@13:                         )
Chris@0:                     )
Chris@0:                     6: Stmt_TraitUseAdaptation_Alias(
Chris@0:                         trait: Name_Relative(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitC
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: exit
Chris@13:                         )
Chris@0:                         newModifier: null
Chris@13:                         newName: Identifier(
Chris@13:                             name: byebye
Chris@13:                         )
Chris@0:                     )
Chris@0:                     7: Stmt_TraitUseAdaptation_Precedence(
Chris@0:                         trait: Name(
Chris@0:                             parts: array(
Chris@0:                                 0: TraitA
Chris@0:                             )
Chris@0:                         )
Chris@13:                         method: Identifier(
Chris@13:                             name: catch
Chris@13:                             comments: array(
Chris@13:                                 0: //
Chris@13:                                 1: /** doc comment */
Chris@13:                                 2: #
Chris@13:                             )
Chris@13:                         )
Chris@0:                         insteadof: array(
Chris@0:                             0: Name(
Chris@0:                                 parts: array(
Chris@0:                                     0: TraitB
Chris@0:                                 )
Chris@0:                             )
Chris@0:                         )
Chris@0:                     )
Chris@0:                 )
Chris@0:             )
Chris@0:         )
Chris@0:     )
Chris@0: )