This works perfectly!
<?php
$file = 'public_html/plentyport.com/jobs/employee/resumes/4216:54:38Resume (1).docx';
$ftp_server="your server address";
// set up basic connection
$conn_id = ftp_connect($ftp_server);
$ftp_user_name="your user server name";
$ftp_user_pass="your server password";
// login with username and password
$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
// try to delete $file
if (ftp_delete($conn_id, $file)) {
echo "$file deleted successful\n";
} else {
echo "could not delete $file\n";
}
// close the connection
ftp_close($conn_id);
?>