# ReflectionFunction::__toString

(PHP 5, PHP 7, PHP 8)

ReflectionFunction::__toString — Returns the string representation of the ReflectionFunction object

### 说明

public ReflectionFunction::__toString(): string

Get a human-readable description of the function, its parameters and return values.

### 参数

此函数没有参数。

### 返回值

The string.

### 示例

示例 #1 ReflectionFunction::__toString() example

`<?php
function title($title, $name)
{
return sprintf("%s. %s\r\n", $title, $name);
}
echo new ReflectionFunction('title');
?>`

以上示例的输出类似于：

    Function [ <user> function title ] {
      @@ Command line code 1 - 1

      - Parameters [2] {
        Parameter #0 [ <required> $title ]
        Parameter #1 [ <required> $name ]
      }
    }

### 参见

- ReflectionFunction::export() - Exports function
- __toString()

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