11 lines
238 B
PHP
11 lines
238 B
PHP
|
<?php
|
||
|
|
function file_extension($str1){
|
||
|
|
$str1=implode("",explode("\\",$str1));
|
||
|
|
$str1=explode(".",$str1);
|
||
|
|
$str1=strtolower(end($str1));
|
||
|
|
return $str1;
|
||
|
|
}
|
||
|
|
|
||
|
|
$file='example.txt';
|
||
|
|
echo "\n".file_extension($file)."\n";
|
||
|
|
?>
|