SetYLabelAngle
SetYLabelAngle — Set the text angle for Y tick labels
Synopsis
$plot->SetYLabelAngle($yla)
Description
SetYLabelAngle sets the text angle for Y tick labels.
(This does not apply to bar chart Y data labels, which are always drawn
horizontally.)
If using TrueType fonts, any angle can be used.
If using built-in GD fonts, only 0 degree and 90 degree text can be used.
Parameters
$yla
Desired angle for label text, in degrees.
Notes
The default text angle for Y labels is 0 degrees, for horizontal text.