php 发送与接收流文件

<?php
/** php 发送流文件
* @param  String  $url  接收的路径
* @param  String  $file 要发送的文件
* @return boolean
*/
function sendStreamFile($url, $file){

if(file_exists($file)){

$opts = array(
'http' => array(
'method' => 'POST',
'header' => 'content-type:application/x-www-form-urlencoded',
'content' => file_get_contents($file)
)
);

$context = stream_context_create($opts);
$response = file_get_contents($url, false, $context);
$ret = json_decode($response, true);
return $ret['success'];

}else{
return false;
}

}

$ret = sendStreamFile('http://localhost/fdipzone/receiveStreamFile.php', 'send.txt');
var_dump($ret);
?>

<?php
/** php 接收流文件
* @param  String  $file 接收后保存的文件名
* @return boolean
*/
function receiveStreamFile($receiveFile){

$streamData = isset($GLOBALS['HTTP_RAW_POST_DATA'])? $GLOBALS['HTTP_RAW_POST_DATA'] : '';

if(empty($streamData)){
$streamData = file_get_contents('php://input');
}

if($streamData!=''){
$ret = file_put_contents($receiveFile, $streamData, true);
}else{
$ret = false;
}

return $ret;

}

$receiveFile = 'receive.txt';
$ret = receiveStreamFile($receiveFile);
echo json_encode(array('success'=>(bool)$ret));
?>