<?php

if(file_exists('pseudos.txt') && filesize('pseudos.txt') > 1048576)
    exit;

$urlbasetopic = "http://www.jeuxvideo.com";
$urlfor = "http://www.jeuxvideo.com/forums/0-51-0-1-0-1-0-blabla-18-25-ans.htm";

$res = curl_get($urlfor);
if(!$res)
    exit;

preg_match_all('/\<a class\=\"lien\-jv\ topic\-title\"\ href\=\"([^"]*)\"/',$res,$matches);

if(empty($matches[1]))
    exit;

$pseudos = file_exists('pseudos.txt') ? file('pseudos.txt',FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) : [];

foreach($matches[1] as $url)
    {
    $res = curl_get($urlbasetopic . $url);
    preg_match_all('/\<span\ class=\"[^\"]*bloc\-pseudo\-msg[^\"]*\"[^>]*\>([^\<]*)\<\/span\>/',$res,$matches);
    if(empty($matches[1]))
        exit;
    foreach($matches[1] as $span_pseudo)
        {
        $pseudo = trim($span_pseudo);
        $pseudos[] = $pseudo;
        }
    }

$pseudos = array_unique($pseudos);

$f = fopen('pseudos.txt','w');
foreach($pseudos as $pseudo)
    {
    fwrite($f,$pseudo.PHP_EOL);
    }


function curl_get($url)
    {
    $req = curl_init($url);
    curl_setopt($req,CURLOPT_FAILONERROR,true);
    curl_setopt($req,CURLOPT_RETURNTRANSFER,true);
    return curl_exec($req);
    }