(PHP 4, PHP 5, PHP 7, PHP 8)
readline_info — Gets/sets various internal readline variables
Gets or sets various internal readline variables.
var_nameA variable name.
valueIf provided, this will be the new value of the setting.
   If called with no parameters, this function returns an array of
   values for all the settings 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.
   The array will only contain those elements which are supported by the library
   used to built the readline extension.
  
If called with one or two parameters, the old value is returned.
| Version | Description | 
|---|---|
| 8.0.0 | var_nameandvalueare nullable now. |