<?php
function get_extension($file) {
 $extension = end(explode(".", $file));
 return $extension ? $extension : false;
}
?>

<?php
function get_extension($file) {
 $extension = end(explode("."),$file);
 return $extension ? $extension : false;
}
?>

Get file extension from it's name or complete path

Get file extension from name or complete path

php, files, extension

PHP