介绍
     These functions were placed here because none of the other
     categories seemed to fit.
    
安装
这些函数作为 PHP 核心的一部分,无需被安装即可使用。
运行时配置
这些函数的行为受到全局配置文件 php.ini 的影响。
  
表格 1.  Misc. Configuration Options
| Name | Default | Changeable | 
|---|
| ignore_user_abort | "0" | PHP_INI_ALL | 
| highlight.string | #DD0000 | PHP_INI_ALL | 
| highlight.comment | #FF9900 | PHP_INI_ALL | 
| highlight.keyword | #007700 | PHP_INI_ALL | 
| highlight.bg | #FFFFFF | PHP_INI_ALL | 
| highlight.default | #0000BB | PHP_INI_ALL | 
| highlight.html | #000000 | PHP_INI_ALL | 
| browscap | NULL | PHP_INI_SYSTEM | 
  For further details and definition of the PHP_INI_* constants see
  
ini_set().
 
以下是该配置选项的简要解释。
  
- ignore_user_abort
     boolean
- 
      TRUE by default. If changed to FALSE scripts will be terminated
      as soon as they try to output something after a client has aborted
      their connection.
      - 
      See also ignore_user_abort().
      
- highlight.comment
      string, highlight.default
      string, highlight.html
      string, highlight.keyword
      string, highlight.string
      string
- 
       Colors for Syntax Highlighting mode. Anything that's acceptable in
       <font color="??????"> would work.
       
- browscap
     string
- 
      Name (e.g.: browscap.ini) and location of browser
      capabilities file. See also get_browser().
      
预定义常量
由于这些常量是由该扩展模块定义的,因此只有在该扩展模块被编译到 PHP 中,或者在运行时被动态加载后,这些常量才有效。