ip签名探针

　　
可以用做签名,论坛头像

PHP代码:--------------------------------------------------------------------------------
<?php
/****************************************************
如果有显示不正确的地方请发E-mail给我，以便修改！
*****************************************************/
Header(Content-type:image/png);

if(getenv(HTTP_CLIENT_IP)){
$ip=getenv(HTTP_CLIENT_IP);
$ip_agent=getenv(REMOTE_ADDR);
}elseif(getenv(HTTP_X_FORWARDED_FOR)){
$ip_real=getenv(HTTP_X_FORWARDED_FOR);
$ip_agent=getenv(REMOTE_ADDR);
}else{
$ip_real=getenv(REMOTE_ADDR);
$ip_agent=;
}

if(!$ip_agent){
$wenzi=IP:;
$ip_count=strlen($ip_real);
$left=22;
$width=$ip_count*6+$left+5;
$height=14;
$picture=Imagecreate($width,$height);
$bgcolor=ImageColorAllocate($picture,225,250,225);
$bordercolor=ImageColorAllocate($picture,0,0,0);
$fontcolor=ImageColorAllocate($picture,0,0,0);
Imageline($picture,0,0,$width-1,0,$bordercolor);
Imageline($picture,0,0,0,$height-1,$bordercolor);
Imageline($picture,$width-1,$height-1,$width-1,0,$bordercolor);
Imageline($picture,$width-1,$height-1,0,$height-1,$bordercolor);
Imagestring($picture,2,2,0,$wenzi,$fontcolor);
Imagestring($picture,2,$left+2,0,$ip_real,$fontcolor);
Imagepng($picture);
ImageDestroy($picture);
}else{
$wenzi1=IP1:;
$wenzi2=IP2:;
$ip_count1=strlen($ip_real);
$ip_count2=strlen($ip_agent);
$left=26;
if($ip_count1>=$ip_count2){$width=$ip_count1*6+$left+5;}else{$width=$ip_count2*6+$left+5;}
$height=29;
$middle=$height/2+1;
$picture=Imagecreate($width,$height);
$bgcolor=ImageColorAllocate($picture,225,250,225);
$bordercolor=ImageColorAllocate($picture,0,0,0);
$fontcolor=ImageColorAllocate($picture,0,0,0);
Imageline($picture,0,0,$width-1,0,$bordercolor);
Imageline($picture,0,0,0,$height-1,$bordercolor);
Imageline($picture,$width-1,$height-1,$width-1,0,$bordercolor);
Imageline($picture,$width-1,$height-1,0,$height-1,$bordercolor);
Imageline($picture,$width-1,$middle-1,0,$middle-1,$bordercolor);
Imagestring($picture,2,2,0,$wenzi1,$fontcolor);
Imagestring($picture,2,$left+2,0,$ip_real,$fontcolor);
Imagestring($picture,2,2,$middle,$wenzi2,$fontcolor);
Imagestring($picture,2,$left+2,$middle,$ip_agent,$fontcolor);
Imagepng($picture);
ImageDestroy($picture);
}

?>

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