array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'reflectionconstant.getextensionname.php', 1 => 'ReflectionConstant::getExtensionName', 2 => 'Gets name of the defining extension', ), 'up' => array ( 0 => 'class.reflectionconstant.php', 1 => 'ReflectionConstant', ), 'prev' => array ( 0 => 'reflectionconstant.getextension.php', 1 => 'ReflectionConstant::getExtension', ), 'next' => array ( 0 => 'reflectionconstant.getfilename.php', 1 => 'ReflectionConstant::getFileName', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/reflection/reflectionconstant/getextensionname.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>
(PHP 8 >= 8.5.0)
ReflectionConstant::getExtensionName — Gets name of the defining extension
Gets the name of the extension which defined the constant.
此函数没有参数。
   The name of the extension which defined the constant, or false for user-defined constants.
  
示例 #1 Basic usage of ReflectionConstant::getExtensionName()
<?php
var_dump((new ReflectionConstant('SQLITE3_TEXT'))->getExtensionName());
?>以上示例会输出:
string(7) "sqlite3"