php中使用GD函数生成计数器

php中使用GD函数生成计数器
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR

ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
关键词：PHP
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR

ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
Header("Content-type: image/jpeg");
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR

ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
$arr = file("counter.txt");
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$count = (int)$arr[0];
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$fp = fopen("counter.txt","w");
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fputs($fp,++$count);
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fclose($fp);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR

ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
$im = ImageCreate(45,16);
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$white = ImageColorAllocate($im,255,255,255);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
$black = ImageColorAllocate($im,0,0,0);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
imagefill($im,1,1,$black);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
ImageString($im,5,0,0,sprintf("%05d",$count),$white);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
imageJpeg($im);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
imagedestroy($im);
ww w.china it power.coA2oz1MPre5jgAseJIcKtVvUJR
?>
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