PHP教程
<?php
header('Content-type:text/html;charset=utf-8');
//讀取圖片文件,轉(zhuǎn)換成base64編碼格式
$image_file = './4296762_165319032930_2.jpg';
$image_info = getimagesize($image_file);
$base64_image_content =  . chunk_split(base64_encode(file_get_contents($image_file)));
//保存base64字符串為圖片
//匹配出圖片的格式
if (preg_match('/^()/', $base64_image_content, $result)){
 $type = $result[2];
 $new_file = "./test.{$type}";
 if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
  echo '新文件保存成功：', $new_file;
 }
}
?>
<img src="<?php echo $base64_image_content;?>" />