array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'reflectionparameter.tostring.php', 1 => 'ReflectionParameter::__toString', 2 => 'To string', ), 'up' => array ( 0 => 'class.reflectionparameter.php', 1 => 'ReflectionParameter', ), 'prev' => array ( 0 => 'reflectionparameter.isvariadic.php', 1 => 'ReflectionParameter::isVariadic', ), 'next' => array ( 0 => 'class.reflectionproperty.php', 1 => 'ReflectionProperty', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/reflection/reflectionparameter/tostring.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

ReflectionParameter::__toString

(PHP 5, PHP 7, PHP 8)

ReflectionParameter::__toString — To string

说明

public ReflectionParameter::__toString(): string

Get a human-readable description of the parameter.

参数

此函数没有参数。

返回值

The string.

示例

示例 #1 ReflectionParameter::__toString() example

<?php
echo new ReflectionParameter('substr', 0);
?>

以上示例的输出类似于：

Parameter #0 [ <required> string $string ]

参见