PHP draws a transparent background and starts at the beginning of a round pie chart that is just below the Circle _php tutorial

PHP draws a background transparent, and starts to rotate to a pie chart at the bottom of a circle

/* * _survey get a poll of pie chart * @access Public indicates the function is publicly available * @param $_agree agreed votes * @param $_disagree votes * Return a statistical pie chart * */function    _vote ($_agree,$_disagree) {//processing parameter if ($_agree==0&&$_disagree==0) {$_vote = 270;    } if ($_agree==0&&$_disagree!=0) {$_vote = 91;    } if ($_agree!=0&&$_disagree==0) {$_vote = 89;    } if ($_agree!=0&&$_disagree!=0) {$_vote = Intval (360* ($_agree/)) +90);    }//Create Canvas $_img=imagecreatetruecolor (150,100);    Fill Transparent Background imagealphablending ($_img, false);    Imagesavealpha ($_img, true);    $white = Imagecolorallocatealpha ($_img,255,255,255,127);    Imagefill ($_img,0,0, $white);    Create color $_green=imagecolorallocate ($_img,180,210,52);    $_blue=imagecolorallocate ($_img,83,201,237);    $_gary=imagecolorallocate ($_img,192,192,192);    $_green1=imagecolorallocate ($_img,149,178,36);    $_blue1=imagecolorallocate ($_img,41,160,193);  $_gary1=imagecolorallocate ($_img,144,144,144);      for ($i =60; $i >=50; $i-) {Imagefilledarc ($_img,100, $i, 100,50,90,$_vote,$_blue1,img_arc_pie);     Imagefilledarc ($_img,100, $i, 100,50,$_vote,90,$_green1,img_arc_pie);    } imagefilledarc ($_img,100, $i, 100,50,90,$_vote,$_blue,img_arc_pie);        Imagefilledarc ($_img,100, $i, 100,50,$_vote,90,$_green,img_arc_pie);    Header ("Content-type:image/png");    Imagepng ($_IMG); Imagedestroy ($_img);}

http://www.bkjia.com/PHPjc/859804.html www.bkjia.com true http://www.bkjia.com/PHPjc/859804.html techarticle PHP Draws a transparent background and starts at the beginning of a pie chart that is just below the circle */* * _survey get a poll of pie chart * @access Public indicates that the function is open externally * ...

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