(PECL ps >= 1.1.0)
ps_setmiterlimit — Sets the miter limit
$psdoc, float $value): bool
If two lines join in a small angle and the line join is set to
PS_LINEJOIN_MITER, then
the resulting spike will be very long. The miter limit is the maximum
ratio of the miter length (the length of the spike) and the line width.
psdocResource identifier of the postscript file as returned by ps_new().
valueThe maximum ratio between the miter length and the line width. Larger values (> 10) will result in very long spikes when two lines meet in a small angle. Keep the default unless you know what you are doing.
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。