Checks if property is promoted

# ReflectionProperty::isPromoted

(PHP 8)

ReflectionProperty::isPromoted — Checks if property is promoted

### 说明

public function ReflectionProperty::isPromoted(): bool

Checks whether the property is promoted

### 参数

此函数没有参数。

### 返回值

`true` if the property is promoted, `false` otherwise.

### 示例

示例 #1 ReflectionProperty::isPromoted() example

    <?php
    class Foo {
        public $baz;

        public function __construct(public $bar) {}
    }

    $o = new Foo(42);
    $o->baz = 42;

    $ro = new ReflectionObject($o);
    var_dump($ro->getProperty('bar')->isPromoted());
    var_dump($ro->getProperty('baz')->isPromoted());
    ?>

以上示例会输出：

    bool(true)
    bool(false)

### 参见

- ReflectionProperty::isDefault() - Checks if property is a default property
- ReflectionProperty::isInitialized() - Checks whether a property is initialized
- ReflectionProperty::getValue() - Gets value

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open