Rapt crawler.

.gitignore

/composer.lock
/vendor/

composer.json

{
    "name": "lyrixx/ratp",
    "description": "class pour recuperer les horraires des prochains bus / metro",
    "require": {
        "fabpot/goutte": "dev-master"
    },
    "license": "MIT",
    "authors": [
        {
            "name": "Grégoire Pineau",
            "email": "lyrixx@lyrixx.info"
        }
    ],
    "autoload" : {
        "psr-0" : { "":"" }
    }
}

Ratp.php

<?php

/**
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 *
 * Usage:
 *
 * $ratp = new Ratp(array(
 *     array('type' => 'bus', 'line' => '173', 'stop' => 'General Leclerc-Victor Hugo'),
 *     array('type' => 'metro', 'line' => '13', 'stop' => 'Porte de Clichy'),
 * ));
 *
 * $enjoy = $ratp->fetch();
 */

use Goutte\Client;

class Ratp
{
    CONST TYPE_METRO = 'metro';
    CONST TYPE_BUS   = 'bus';

    private $client;
    private $stations;
    private $entrypoint;

    public function __construct(array $stations, $client = null, $entrypoint = null)
    {
        $this->stations   = $stations;
        $this->client     = $client ?: new Client();
        $this->entrypoint = $entrypoint ?: 'http://wap.ratp.fr/siv/schedule';
    }

    public function fetch()
    {
        $stations = array();

        $client = $this->client;
        $client->setServerParameter('HTTP_USER_AGENT', 'Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:19.0) Gecko/20100101 Firefox/19.0');

        foreach ($this->buildQueries($this->stations) as $stop) {
            $id = sprintf('%s.%s', $stop['line'], $stop['stop']);

            $client->request('GET', $stop['query']);

            try {
                $name = $client->getCrawler()->filter('.bwhite')->eq(1)->text();
            } catch (\InvalidArgumentException $e) {
                continue;
            }

            $stations[$id]['name'] = $name;
            $stations[$id]['type'] = $stop['type'];
            $stations[$id]['line'] = $stop['line'];
            if (!isset($stations[$id]['destinations'])) {
                $stations[$id]['destinations'] = array();
            }

            $destinations = array();

            foreach ($client->getCrawler()->filter('.bg1, .bg3') as $child) {
                // Hack to remove all service messages
                if ("\n" !== $child->nodeValue[0]) {
                    continue;
                }

                // Remove some space and ">"
                if (!$dir = trim($child->nodeValue, "\n > ")) {
                    continue;
                }

                if (!$time = trim($child->nextSibling->nodeValue)) {
                    continue;
                }

                if (!isset($destinations[$dir])) {
                    $destinations[$dir] = array();
                }

                $destinations[$dir][] = $time;
            }


            if ($destinations) {
                $stations[$id]['destinations'] += $destinations;
            } else {
                unset($stations[$id]);
            }
        }

        return $stations;
    }

    private function buildQueries(array $stops = array())
    {
        $stopsTmp = array();
        foreach ($stops as $stop) {
            if (static::TYPE_METRO ==  $stop['type']) {
                $query = $this->buildUrl($stop['type'], $stop['line'], $stop['stop'], 'A');
                $stopsTmp[] = array_replace($stop, array('query' => $query));
                $query = $this->buildUrl($stop['type'], $stop['line'], $stop['stop'], 'R');
                $stopsTmp[] = array_replace($stop, array('query' => $query));
            } else {
                $query = $this->buildUrl($stop['type'], $stop['line'], $stop['stop']);
                $stopsTmp[] = array_replace($stop, array('query' => $query));
            }
        }

        return $stopsTmp;
    }

    private function buildUrl($type, $line, $stop, $dir = null)
    {
        $params = array(
            'service'     => 'next',
            'reseau'      => $type,
            'lineid'      => strtoupper($type[0]) .$line,
            'stationname' => $stop,
        );

        if ($dir) {
            $params['directionsens'] = strtoupper($dir);
        }

        return sprintf('%s?%s', $this->entrypoint, http_build_query($params));
    }
}

run

#!/usr/bin/php
<?php

require __DIR__.'/vendor/autoload.php';

$ratp = new Ratp(array(
    array('type' => 'bus', 'line' => '74', 'stop' => 'General Leclerc-Victor Hugo'),
    array('type' => 'metro', 'line' => '13', 'stop' => 'Porte de Clichy'),
));

foreach ($ratp->fetch() as $stop) {
    echo sprintf("%s, line %s, %s\n", $stop['type'], $stop['line'], $stop['name']);
    if (!isset($stop['destinations'])) {
        continue;
    }

    foreach ($stop['destinations'] as $dir => $times) {
        echo sprintf("  %s: %s\n", $dir, implode(', ', $times));
    }

    echo "\n";
}