1--TEST-- 2ZE2 Late Static Binding in a static function 3--FILE-- 4<?php 5 6class TestClass { 7 protected static $staticVar = 'TestClassStatic'; 8 const CLASS_CONST = 'TestClassConst'; 9 10 protected static function staticFunction() { 11 return 'TestClassFunction'; 12 } 13 14 public static function testStaticVar() { 15 return static::$staticVar; 16 } 17 18 public static function testClassConst() { 19 return static::CLASS_CONST; 20 } 21 22 public static function testStaticFunction() { 23 return static::staticFunction(); 24 } 25} 26 27class ChildClass1 extends TestClass { 28 protected static $staticVar = 'ChildClassStatic'; 29 const CLASS_CONST = 'ChildClassConst'; 30 31 protected static function staticFunction() { 32 return 'ChildClassFunction'; 33 } 34} 35 36class ChildClass2 extends TestClass {} 37 38echo TestClass::testStaticVar() . "\n"; 39echo TestClass::testClassConst() . "\n"; 40echo TestClass::testStaticFunction() . "\n"; 41 42echo ChildClass1::testStaticVar() . "\n"; 43echo ChildClass1::testClassConst() . "\n"; 44echo ChildClass1::testStaticFunction() . "\n"; 45 46echo ChildClass2::testStaticVar() . "\n"; 47echo ChildClass2::testClassConst() . "\n"; 48echo ChildClass2::testStaticFunction() . "\n"; 49?> 50--EXPECT-- 51TestClassStatic 52TestClassConst 53TestClassFunction 54ChildClassStatic 55ChildClassConst 56ChildClassFunction 57TestClassStatic 58TestClassConst 59TestClassFunction 60
