It seems that PHP does not come with the function to get the suffix name of the file, the book has not been found, the web search has not, wrote a function, it is easy to get. See online A lot of friends are looking, send to share, if you find a better way, be sure to leave a message to tell me!
The functions are as follows:
function Gontenfile ($FILESTR) {
$gonten = Explode ('. ', $filestr); Separating file names into arrays with dot numbers
$gonten = Array_reverse ($gonten); Reverse the above array
return $gonten [0]; Returns the first value of a reversed array
}
with $filename = gontenfile (' filename '); This way, you can get the suffix of the file.
This article from: www.Gonten.com
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