Note that the first line in the history file must contain the string: _HiStOrY_V2_
Else it wont work.
(PHP 4, PHP 5, PHP 7)
readline_read_history — Reads the history
$filename
] )This function reads a command history from a file.
filenamePath to the filename containing the command history.
Returns TRUE on success or FALSE on failure.
Note that the first line in the history file must contain the string: _HiStOrY_V2_
Else it wont work.