rtrim function doesn't work with ending h letter

Question

$file = \"refinish.php\";
$folder = rtrim($file, \".php\");
echo $folder; // refinis

where is ending h ?

I tried with some other

Answer 1

You Try code

$filename = "refinish.php";
$extension_pos = strrpos($filename , '.');  
$file = substr($filename, 0, $extension_pos) ;

$folder = str_replace('.','',rtrim( $file , "php"));
echo $folder.substr($filename, $extension_pos);

its working fine . its output is refinis.php