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Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Readline Configure Options
Name Default Changeable Changelog
cli.pager "" PHP_INI_ALL Available since PHP 5.4.0.
cli.prompt "\\b \\> " PHP_INI_ALL Available since PHP 5.4.0.

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.

PHP Manual