展览展会行业怎么利用PHP接口给客户发送短信

随着网络时代的快速发展，展览展会行业作为企业交流与合作的重要平台，其信息传递的准确性和广泛性显得尤为重要。在这个信息爆炸的时代，如何有效地将展会信息传递给目标受众，成为参展商和主办方亟需解决的问题。而短信平台，作为一种低成本、高效的营销手段，正逐步成为展览展会行业推广的新宠。

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$action,
    'username'=>$username,   
    'password'=>$password,   
    'token'=>$token,  
    'timestamp'=>$timestamp,
    'sign'=>$sign,
    'rece'=>'json',
    'templateid'=>$templateid,
    'param'=>$param
    );

$result= postSMS($url,$postData);

echo $result;


function postSMS($url,$postData)
{
    $row = parse_url($url);
    $host = $row['host'];
    $port = isset($row['port']) ? $row['port']:80;
    $file = $row['path'];
    $post = "";
    while (list($k,$v) = each($postData)) 
    {
        $post .= rawurlencode($k)."=".rawurlencode($v)."&"; 
    }
    $post = substr( $post , 0 , -1 );
    $len = strlen($post);
    $fp = @fsockopen( $host ,$port, $errno, $errstr, 10);
    if (!$fp) {
        return "$errstr ($errno)\n";
    } else {
        $receive = '';
        $out = "POST $file HTTP/1.1\r\n";
        $out .= "Host: $host\r\n";
        $out .= "Content-type: application/x-www-form-urlencoded\r\n";
        $out .= "Connection: Close\r\n";
        $out .= "Content-Length: $len\r\n\r\n";
        $out .= $post;      
        fwrite($fp, $out);
        while (!feof($fp)) {
            $receive .= fgets($fp, 128);
        }
        fclose($fp);
        $receive = explode("\r\n\r\n",$receive);
        unset($receive[0]);
        return implode("",$receive);
    }
}
     function getMillisecond() {
        list($t1, $t2) = explode(' ', microtime());
        return (float)sprintf('%.0f',(floatval($t1)+floatval($t2))*1000);
    }
?>