ps_setdash

Sets appearance of a dashed line (PECL ps:1.1.0-1.3.5)
bool ps_setdash ( resource psdoc, float on, float off )

Sets the length of the black and white portions of a dashed line.

psdoc: Resource identifier of the postscript file as returned by ps_new().
on: The length of the dash.
off: The length of the gap between dashes.

Returns TRUE on success or FALSE on failure.

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