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php怎么判断gif图片是否为动画?
来源: 互联网 发布时间:2014-08-30
本文导语: php判断gif图片是否为动画,即帧数是否大于1。 完整代码: 代码示例: { $fp=fopen($filename, 'rb'); $filecontent=fread($fp, filesize($filename)); fclose($fp); return strpos($filecontent,chr(0x21).chr(0xff).chr(0x0b).'NETSCAPE2.0')===FALSE?0:1; } // www. echo IsAnimat...
php判断gif图片是否为动画,即帧数是否大于1。
完整代码:
代码示例:
{
$fp=fopen($filename, 'rb'); $filecontent=fread($fp, filesize($filename));
fclose($fp);
return strpos($filecontent,chr(0x21).chr(0xff).chr(0x0b).'NETSCAPE2.0')===FALSE?0:1;
} // www.
echo IsAnimatedGif("zzsky.gif");
?>
$fp=fopen($filename, 'rb'); $filecontent=fread($fp, filesize($filename));
fclose($fp);
return strpos($filecontent,chr(0x21).chr(0xff).chr(0x0b).'NETSCAPE2.0')===FALSE?0:1;
} // www.
echo IsAnimatedGif("zzsky.gif");
?>