imagechar() draws the first character of
c in the image identified by
image with its upper-left at
x,y (top left is 0,
0) with the color color.
imageAn image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
fontCan be 1, 2, 3, 4, 5 for built-in fonts (where higher numbers corresponding to larger fonts) or any of your own font identifiers registered with imageloadfont().
xx-coordinate of the start
yy-coordinate of the start
cThe character to draw
colorA color identifier created with imagecolorallocate()