簡易HTTP

gistfile1.php

<?php
// Http class
// 日本語UTF-8
class Http
{
  public static function get($url, $header = null) {
    $param = array(
      'http'=>array('method'=>'GET')
    );
    if ($header !== null) {
      $param['http']['header'] = self::_createHeader($header);
    }
    return self::_run($url, $param);
  }
  
  public static function post($url, $data, $header = null) {
    $param = array(
      'http' => array(
        'method' => 'POST',
        'header' => 'Content-type: application/x-www-form-urlencoded',
        'content'=> $data
      )
    );
    if($header !== null){
      $param['http']['header'] = $param['http']['header']."\n".self::_createHeader($header);
    }
    return self::_run($url, $param);
  }
  
  private static function _createHeader($header) {
    if (!is_array($header)){
      return '';
    }
    $r = array();
    foreach($header as $k=>$v){
      $r[]="{$k}: {$v}";
    }
    return implode("\n", $r);
  }
  
  private static function _run($url, $param) {
    $f = @fopen($url, 'rb', false, stream_context_create($param));
    if ($f === false){
      return false;
    }
    $r = @stream_get_contents($f);
    if ($r === false){
      return false;
    }
    return $r;
  }
}


$url = 'http://example.com/';
$header = array(
  'User-Agent' => 'Opera/9.25 (Windows NT 6.0; U; ja)',
  'Referer'    => 'http://example.com/'
);

$src = Http::get($url, $header);
echo $src;