The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Changelog | 
|---|---|---|---|
| cli.pager | "" | INI_ALL | |
| cli.prompt | "\\b \\> " | INI_ALL | 
Here's a short explanation of the configuration directives.
cli.pager
      string
     External tool to display output from command line.
cli.prompt
      string
     Command line prompt.
