php post数据

admin

        $postdata = http_build_query($data);

$ a; C* k7 O+ H/ ?- f        $opts = array (
        'http' => array (
3 ~7 C* X7 c3 m6 G& H        'method' => 'POST',
        'header'=> "Content-type: application/x-www-form-urlencodedrn",
        "Content-Length: " . strlen($data) . "rn",
        'content' => $postdata
        )
, m) X$ l9 j& G: C, c        );

        $context = stream_context_create($opts);
; {) h& H* j6 `, y! j% z$ s' G        $html = file_get_contents($url, false, $context);