if ($user_data['gender'] == 'male') {
     $result = $this->title . '/' . $this->maleFolder;
} else if ($user_data['gender'] == 'female') {
     $result = $this->title . '/' . $this->femaleFolder;
} else {
     $result = $this->title . '/' . $this->otherFolder;
}

$f_contents = file($result);
$line = $f_contents[array_rand($f_contents)];
$data = $line;