array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'reflectionconstant.getextension.php', 1 => 'ReflectionConstant::getExtension', 2 => 'Gets ReflectionExtension of the defining extension', ), 'up' => array ( 0 => 'class.reflectionconstant.php', 1 => 'ReflectionConstant', ), 'prev' => array ( 0 => 'reflectionconstant.construct.php', 1 => 'ReflectionConstant::__construct', ), 'next' => array ( 0 => 'reflectionconstant.getextensionname.php', 1 => 'ReflectionConstant::getExtensionName', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/reflection/reflectionconstant/getextension.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

ReflectionConstant::getExtension

(PHP 8 >= 8.5.0)

ReflectionConstant::getExtension — Gets ReflectionExtension of the defining extension

说明

public ReflectionConstant::getExtension(): ?ReflectionExtension

Gets a ReflectionExtension object for the extension which defined the constant.

参数

此函数没有参数。

返回值

A ReflectionExtension object representing the extension which defined the constant, or null for user-defined constants.

示例

示例 #1 Basic usage of ReflectionConstant::getExtension()

<?php
var_dump((new ReflectionConstant('SQLITE3_TEXT'))->getExtension());
?>

以上示例会输出：

object(ReflectionExtension)#2 (1) {
  ["name"]=>
  string(7) "sqlite3"
}

参见