ps_show_xy

(PECL ps >= 1.1.0)

ps_show_xy — Output text at given position

ps_show_xy(
    resource$psdoc,
    string$text,
    float$x,
    float$y
): bool

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。