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php判断gif图片是否为动画

WBOY
WBOYOriginal
2016-06-13 09:32:291104browse

  php判断gif图片是否为动画,即帧数是否大于1。代码如下:

  

  { $fp=fopen($filename, 'rb'); $filecontent=fread($fp, filesize($filename));

  fclose($fp);

  return strpos($filecontent,chr(0x21).chr(0xff).chr(0x0b).'NETSCAPE2.0')===FALSE?0:1; }

  echo IsAnimatedGif("zzsky.gif"); ?>

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