(PECL ps >= 1.1.0)
ps_setfont — Sets font to use for following output
Sets a font, which has to be loaded before with
ps_findfont(). Outputting text without setting a font
results in an error.
Resource identifier of the postscript file
as returned by ps_new().
The font identifier as returned by ps_findfont().
The size of the font.
성공할 경우 TRUE를, 실패할 경우 FALSE를