(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.
成功时返回 TRUE， 或者在失败时返回 FALSE.