用PHP保存从摄像头拍下来的图片

PHP代码

<?php
/**
  $HTTP_RAW_POST_DATA 包含 POST 提交的原始数据
*/
if(isset($GLOBALS["HTTP_RAW_POST_DATA"])) {
  $jpg = $GLOBALS["HTTP_RAW_POST_DATA"];
  $img = $_GET["img"];
  $filename = "images/poza_". mktime(). ".jpg";
  file_put_contents($filename, $jpg);
} else {
  echo "Encoded JPEG information not received.";
}

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