array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.require.php', 1 => 'require', 2 => 'require', ), 'up' => array ( 0 => 'language.control-structures.php', 1 => '流程控制', ), 'prev' => array ( 0 => 'function.return.php', 1 => 'return', ), 'next' => array ( 0 => 'function.include.php', 1 => 'include', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'zh', 'path' => 'language/control-structures/require.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

require

(PHP 4, PHP 5, PHP 7, PHP 8)

require 跟 include 相同，只是在失败时还会产生 Error 异常（PHP 8.0.0 之前为 E_COMPILE_ERROR 级别错误），而 include 只会产生警告（E_WARNING 级别错误）。

参见 include 文档了解详情。