PHP get filename suffix name extension

In PHP, there are two functions end () and current () that read the last element value of the array, which reads the first value of the array,
So let's take a look at this. I also read the file 111cn.gif file suffix gif
*/
$file = ' www.111cn.net.gif ';
echo Getfix ($file);

The resulting value for GIF is the simplest and most practical example, so let's take a look at it. 21 ways to read an extension using substr

$file = ' aaa.gif ';
Echo substr ($file, Strpos ($file, '. ') +1);

Method three or the array

$file = ' 111cn.gif ';
$d 111CN = Explode ('. ', $file);
echo $d 111cn[count ($d 111CN)-1];

function Getfix ($l 1) {
Return End (Explode ('. ', $l 1));
}

This article original in www.111cn.net reprint to indicate the origin