PHP识别验证码类+实例演示

<?php define('WORD_WIDTH',9); define('WORD_HIGHT',13); define('OFFSET_X',7); define('OFFSET_Y',3); define('WORD_SPACING',4); // www.php200.com QQ:5552123 class valite { public function setImage($Image) { $this->ImagePath = $Image; } public function getData() { return $data; } public function getResult() { return $DataArray; } public function getHec() { $res = imagecreatefromjpeg($this->ImagePath); $size = getimagesize($this->ImagePath); $data = array(); for($i=0; $i < $size[1]; ++$i) { for($j=0; $j < $size[0]; ++$j) { $rgb = imagecolorat($res,$j,$i); $rgbarray = imagecolorsforindex($res, $rgb); if($rgbarray['red'] < 125 || $rgbarray['green']<125 || $rgbarray['blue'] < 125) { $data[$i][$j]=1; }else{ $data[$i][$j]=0; } } } $this->DataArray = $data; $this->ImageSize = $size; } public function run() { $result=""; // 查找4个数字 $data = array("","","",""); for($i=0;$i<4;++$i) { $x = ($i*(WORD_WIDTH+WORD_SPACING))+OFFSET_X; $y = OFFSET_Y; for($h = $y; $h < (OFFSET_Y+WORD_HIGHT); ++ $h) { for($w = $x; $w < ($x+WORD_WIDTH); ++$w) { $data[$i].=$this->DataArray[$h][$w]; } } } // 进行关键字匹配 foreach($data as $numKey => $numString) { $max=0.0; $num = 0; foreach($this->Keys as $key => $value) { $percent=0.0; similar_text($value, $numString,$percent); if(intval($percent) > $max) { $max = $percent; $num = $key; if(intval($percent) > 95) break; } } $result.=$num; } $this->data = $result; // 查找最佳匹配数字 return $result; } public function Draw() { for($i=0; $i<$this->ImageSize[1]; ++$i) { for($j=0; $j<$this->ImageSize[0]; ++$j) { echo $this->DataArray[$i][$j]; } echo "\n"; } } public function __construct() { $this->Keys = array( '0'=>'000111000011111110011000110110000011110000011110000011110000011110000011110000011110000011011000110011111110000111000', '1'=>'000111000011111000011111000000011000000011000000011000000011000000011000000011000000011000000011000011111111011111111', '2'=>'011111000111111100100000110000000111000000110000001100000011000000110000001100000011000000110000000011111110111111110', '3'=>'011111000111111110100000110000000110000001100011111000011111100000001110000000111000000110100001110111111100011111000', '4'=>'000001100000011100000011100000111100001101100001101100011001100011001100111111111111111111000001100000001100000001100', '5'=> '111111110111111110110000000110000000110000000111110000111111100000001110000000111000000110100001110111111100011111000', '6'=>'000111100001111110011000010011000000110000000110111100111111110111000111110000011110000011011000111011111110000111100', '7'=>'011111111011111111000000011000000010000000110000001100000001000000011000000010000000110000000110000001100000001100000', '8'=>'001111100011111110011000110011000110011101110001111100001111100011101110110000011110000011111000111011111110001111100', '9'=>'001111000011111110111000111110000011110000011111000111011111111001111011000000011000000110010000110011111100001111000', ); } protected $ImagePath; protected $DataArray; protected $ImageSize; protected $data; protected $Keys; protected $NumStringArray; } ?>