# ps_setpolydash

(PECL ps:1.1.0-1.3.5)

ps_setpolydash — Sets appearance of a dashed line

### Description

bool ps_setpolydash ( resource `$psdoc` , float `$arr` )

Sets the length of the black and white portions of a dashed line. ps_setpolydash() is used to set more complicated dash patterns.

### Parameters

`psdoc`

  Resource identifier of the postscript file as returned by ps_new().

`arr`

  `arr` is a list of length elements alternately for the black and white portion.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

Example#1 Drawing a dashed line

`<?php
$ps = ps_new();
if (!ps_open_file($ps, "polydash.ps")) {
print "Cannot open PostScript file\n";
exit;
}
ps_set_info($ps, "Creator", "polydash.php");
ps_set_info($ps, "Author", "Uwe Steinmann");
ps_set_info($ps, "Title", "Poly dash example");
ps_begin_page($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);
?>`

This example draws a line with a 10 and 2 points long line, and gaps of 5 points inbetween.

### See Also

- ps_setdash()