本教程讲解php如何获取文件后缀方法
方法1:
function get_file_type($filename){
$type = substr($filename, strrpos($filename, ".")+1);
return $type;
}方法2:
function get_file_type($filename)
{
$type = pathinfo($filename);
$type = strtolower($type["extension"]);
return $type;
}方法3:
function get_file_type($filename)
{
$type =explode("." , $filename);
$count=count($type)-1;
return $type[$count];
}
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