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<?php
class ParentA {
const PARENT_CONST = 'PARENT_CONST';
public static $parentFieldStatic = 'parentFieldStatic';
// unused, cannot be called via 'parent'
//public $parentFieldInstance = 'parentFieldInstance';
public function parentTestInstance() {
return 'parentTestInstance';
}
public static function parentTestStatic() {
return 'parentTestStatic';
}
}
class A extends ParentA {
const MY_CONST = 'MY_CONST';
public static $myFieldStatic = 'myFieldStatic';
public $myFieldInstance = 'myFieldInstance';
public function myTestInstance() {
return 'myTestInstance';
}
public static function myTestStatic() {
return 'myTestStatic';
}
public function test() {
$this->filter(['a']);
}
public function filter(array $values) {
return array_filter($values, function ($val) {
// parent
echo parent::PARENT_CONST . PHP_EOL;
// invalid, not a constant
// echo parent::parentFieldInstance . PHP_EOL;
echo parent::$parentFieldStatic . PHP_EOL;
echo parent::parentTestInstance() . PHP_EOL;
echo parent::parentTestStatic() . PHP_EOL;
// me
echo $this->myFieldInstance . PHP_EOL;
echo $this->myTestInstance() . PHP_EOL;
echo self::MY_CONST . PHP_EOL;
echo self::$myFieldStatic . PHP_EOL;
echo self::myTestStatic() . PHP_EOL;
return true;
});
}
}
(new A())->test();
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