ps_show_xy

(PECL ps >= 1.1.0)

ps_show_xy — Output text at given position

bool ps_show_xy ( resource $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.

成功时返回 TRUE，或者在失败时返回 FALSE。