(PHP 5, PHP 7, PHP 8)
ReflectionClass::__construct — 初始化 ReflectionClass 类
如果要反射的 Class 不存在，抛出异常 ReflectionException。
示例 #1 ReflectionClass 的基本用法
<?php
$reflection = new ReflectionClass('Exception');
echo $reflection;
?>以上示例的输出类似于：
Class [ <internal:Core> class Exception implements Stringable, Throwable ] {
- Constants [0] {
}
- Static properties [0] {
}
- Static methods [0] {
}
- Properties [7] {
Property [ protected $message = '' ]
Property [ private string $string = '' ]
Property [ protected $code = 0 ]
Property [ protected string $file = '' ]
Property [ protected int $line = 0 ]
Property [ private array $trace = [] ]
Property [ private ?Throwable $previous = NULL ]
}
- Methods [11] {
Method [ <internal:Core> private method __clone ] {
- Parameters [0] {
}
- Return [ void ]
}
Method [ <internal:Core, ctor> public method __construct ] {
- Parameters [3] {
Parameter #0 [ <optional> string $message = "" ]
Parameter #1 [ <optional> int $code = 0 ]
Parameter #2 [ <optional> ?Throwable $previous = null ]
}
}
Method [ <internal:Core> public method __wakeup ] {
- Parameters [0] {
}
- Tentative return [ void ]
}
Method [ <internal:Core, prototype Throwable> final public method getMessage ] {
- Parameters [0] {
}
- Return [ string ]
}
Method [ <internal:Core, prototype Throwable> final public method getCode ] {
- Parameters [0] {
}
}
Method [ <internal:Core, prototype Throwable> final public method getFile ] {
- Parameters [0] {
}
- Return [ string ]
}
Method [ <internal:Core, prototype Throwable> final public method getLine ] {
- Parameters [0] {
}
- Return [ int ]
}
Method [ <internal:Core, prototype Throwable> final public method getTrace ] {
- Parameters [0] {
}
- Return [ array ]
}
Method [ <internal:Core, prototype Throwable> final public method getPrevious ] {
- Parameters [0] {
}
- Return [ ?Throwable ]
}
Method [ <internal:Core, prototype Throwable> final public method getTraceAsString ] {
- Parameters [0] {
}
- Return [ string ]
}
Method [ <internal:Core, prototype Stringable> public method __toString ] {
- Parameters [0] {
}
- Return [ string ]
}
}
}