php man page for readline_callback_read_char

READLINE_CALLBACK_READ_CHAR(3)						 1					    READLINE_CALLBACK_READ_CHAR(3)

readline_callback_read_char - Reads a character and informs the readline callback interface when a line is received

SYNOPSIS
       void readline_callback_read_char (void  )

DESCRIPTION
	Reads  a  character  of  user  input. When a line is received, this function informs the readline callback interface installed using read-
       line_callback_handler_install(3) that a line is ready for input.

RETURN VALUES
	No value is returned.

EXAMPLES
	See readline_callback_handler_install(3) for an example of how to use the readline callback interface.

SEE ALSO
       readline_callback_handler_install(3), readline_callback_handler_remove(3).

PHP Documentation Group 											    READLINE_CALLBACK_READ_CHAR(3)