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?>
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     $bg=imagecolorallocate($im,80,220,30);  //É趨ͼ²¼±³¾°ÑÕÉ«£»
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     $color3=imagecolorallocate($im,99,85,25);
     $color4=imagecolorallocate($im,215,115,75);
     imagepolygon($im,array(20,20,90,160,160,20,90,70,23,129),5,$color);
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     imagesetthickness($im,6);  //ÉèÖÃÍÖÔ²±ßÏߵĿí¶È£»
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