phpの簡単な検証コード

php の簡単な確認コード *@copyright(c)2011 *@author:Ernest *@time:2011 *@version:new - - ＆gt; = 配列 ('1', '2','3', '4', '5', '6', '7', 'a', 'b', 'c', 'd', 'e' 、'f'、'h'、'i'、'j'、'k'、'm'、'n'、'p'、'r'、's'、't'、'u' , 'v', 'w', 'x', 'y' ); // $strNum = ""; $count = count ( $strings ); ; $i $_SESSION ["verifycode"] = $strNum $this; ->im = imagecreate ( $this->width, $this->height ); $backgroundcolor = imagecolorallocate ( $ this->im, 255, 255, 255 ); // 背景色を生成します。 🎜> $frameColor = imageColorAllocate ($this->im, 0, 255, 0); for($i = 0; $i length; $i ++) {

$charX = $i * 15 + 8 // 文字の X 座標を定義します//文字色生成 $text_color = imagecolorallocate ( $this->im, mt_rand ( 50, 255 ), mt_rand ( 50 , 128 ), mt_rand ( 50, 200 ) ); $angle = rand ( - 20, 20 ); / /文字の角度を生成 //文字を書き込みます imagettftext ( $this->im, $this->fontSize, $angle, $charX, $charY, $text_color, $this->font, $strNum [$i] ); $linecolor = imagecolorallocate ( $this->im, mt_rand ( 0, 255 ), mt_rand ( 0, 255 ), mt_rand ( 0, 255 ) ); $linex = mt_rand ( 1, $this->width - 1 ); $liney = mt_rand ( 1, $this->height - 1 ); imageline ( $this->im, $linex, $liney, $linex + mt_rand ( 0, 4 ) - 2, $liney + mt_rand ( 0, 4 ) - 2, $linecolor ); } for($i = 0; $i $pointcolor = imagecolorallocate ( $this-&gt ;im, mt_rand ( 0, 255 ), mt_rand ( 0, 255 ), mt_rand ( 0, 255 ) ); imagesetpixel ( $this->im, mt_rand ( 1, $this->width - 1 ), mt_rand ( 1, $this->height - 1 ), $pointcolor ); } imagerectangle ( $this->im, 0, 0, $this->width - 1, $this->height - 1, $frameColor ); //画边框 ob_clean (); ヘッダー ( 'Content-type:image/png' ); imagepng ( $this->im ); imagedestroy ( $this->im ); } } $img = new VerifyImg (); $img->Build (); ?> (fblww-0103)