Get File Size and File Type In PHP

<form action="getInfo.php" method="post" enctype="multipart/form-data">
<input type="file" name="file">
<input type="submit" name="Submit" value="Submit">
</form>

<?php
$file=$_REQUEST["file"];
$image=$_FILES['file']['name'];
// file name
echo "Image name > $image";
echo "<br><br>";
// file size
echo "Image Size > $file_size";
echo "<br><br>";
// file size in KB
$size="$file_size";
$ms=$size/1024;
echo "Image Size > $ms KB";
echo "<br><br> or ";
echo $file . ': ' . filesize($file) . ' bytes';
// file type
echo "File Type > $file_type";
?>