(PECL ps >= 1.1.0)
ps_show_xy — Output text at given position
$psdoc
   , string $text
   , float $x
   , float $y
   )Output a text at the given text position.
psdoc
     Resource identifier of the postscript file as returned by ps_new().
text
     The text to be output.
x
     x-coordinate of the lower left corner of the box surrounding the text.
y
     y-coordinate of the lower left corner of the box surrounding the text.
   Returns TRUE on success or FALSE on failure.