I am trying to insert file name in database in php. And file will move to CV folder. I used a function to reneme that file.It does not work .
<form method="POST" enctype="multipart/form-data">
    <input type="file" name="file" required>
    <input type="submit" name="job_post" value="Submit">
</form>
PHP
if($_SERVER["REQUEST_METHOD"] == "POST"){
    function getFileName($file)
    {
      return date('mdhms'). '.' . $file->extension();
    }
  $f_name= $_POST['file'];
  $filename = getFileName($f_name);
  move(base_path('cv'), $filename); 
  $job_post_sql="INSERT INTO applications (cv,flag) VALUES ('$filename','1')";
  $job_post_sql_result=mysqli_query($con,$job_post_sql);
}
 
    