Melody script which help to identify who is current UserAgent in a webserver visit : http://melody.sensiolabs.org/

.gitignore

/vendor/
/ua-detector.phar
composer.lock

box.json

{
    "directories": ["vendor"],
    "chmod": "0755",
    "main": "ua-detector.php",
    "output": "ua-detector.phar",
    "stub": true
}

composer.json

{
    "name": "bee4/ua-detector",
    "type": "script",
    "require": {
        "bee4/useragent-classifier": "^1.0"
    },
    "authors": [
        {
            "name": "Stéphane HULARD",
            "email": "s.hulard@chstudio.fr"
        }
    ]
}

ua-detector.php

#!/usr/bin/env php
<?php

require_once 'vendor/autoload.php';
use Bee4\UserAgent\Classifier\Detector;

$regex = '/^(?P<ip>\S+) (?P<domain>\S+) (.+) \[(?P<date>[^\[]+)\] "(((?P<method>\S+) (?P<parent>.*?) (?P<version>\S+))|[^"]+)" (?P<status>\S+) (?P<size>\S+) "(?P<referer>((?:[^\\\\]*?(?:(\\x+|\\\\+|\\\"|\\\'))?)*?))" "(?P<useragent>.*)"/';
if ($argc === 2) {
  $regex = $argv[1];
}

try {
    $input = fgets(STDIN);
    if (1 !== preg_match($regex, $input, $infos)) {
      throw new Exception('Regex doesn\'t match the given line !');
    }

    $bot = Detector::whoIs($infos['useragent']);

    echo $bot->getBot().'::'.$bot->getName();
} catch(\Exception $error) {
    exit(2);
}