Info: Open Flash Chart 2 is out. Version 1.x and these pages will
never disappear and the charts will continue working forever, but further
development on 1.x has stopped. Take a look at version 2 here
Open Flash Chart 2.
Gallery - X Axis - Legend
set_x_legend( $text, $size=-1, $colour='' )
$text is the string to display.
$size (optional parameter) in pixels.
$colour (optional parameter) HEX colour string.