(PECL ps >= 1.1.0)
ps_setpolydash — 設定虛線的外觀
範例 #1 繪製虛線
<?php
$ps = ps_new();
if (!ps_open_file($ps, "polydash.ps")) {
print "無法開啟 PostScript 檔案\n";
exit;
}
ps_set_info($ps, "Creator", "polydash.php");
ps_set_info($ps, "Author", "Uwe Steinmann");
ps_set_info($ps, "Title", "Poly dash 範例");
ps_begin_page($ps, 596, 842);
ps_setpolydash($ps, array(10, 5, 2, 5));
ps_moveto($ps, 100, 100);
ps_lineto($ps, 200, 200);
ps_stroke($ps);
ps_end_page($ps);
ps_delete($ps);
?>此範例繪製一條線，由長度為 10 點和 2 點的線段組成，間隔為 5 點。