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# readline_info

(PHP 4, PHP 5)

readline_info -- Gets/sets various internal readline variables

## 说明

mixed readline_info ( [string varname [, string newvalue]] )

Gets or sets various internal readline variables.

## 参数

`varname`

  A variable name.

`newvalue`

  If provided, this will be the new value of the setting.

## 返回值

If called with no parameters, this function returns an array of values for all the setting readline uses. The elements will be indexed by the following values: done, end, erase_empty_line, library_version, line_buffer, mark, pending_input, point, prompt, readline_name, and terminal_name.

If called with one or two parameters, the old value is returned.

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