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PHP: サポートされるプロトコル/ラッパー - Manual
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Last updated: Sun, 25 Nov 2007

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サポートされるプロトコル/ラッパー

目次

fopen() および copy() のような ファイルシステム関数で使用するために PHP に組み込まれた、URL 型式の プロトコルの一覧を示します。これらのラッパーに加え、PHP 4.3.0 以降では PHP スクリプトと stream_wrapper_register() によって ユーザ独自のラッパーを書くことができます。

ファイルシステム

PHP の全バージョン。PHP 5.0.0 以降では file:// を用いて明示的に指定します。

  • /path/to/file.ext
  • relative/path/to/file.ext
  • fileInCwd.ext
  • C:/path/to/winfile.ext
  • C:\path\to\winfile.ext
  • \\smbserver\share\path\to\winfile.ext
  • file:///path/to/file.ext

PHP で使用されるデフォルトのラッパーは Filesystem で、 これはローカルファイルシステムを表します。 相対パス(/, \, \\,または Windows のドライブ文字で始まらないパス)が指定された場合、 指定されたパスは、現在の作業ディレクトリに対して適用されます。 多くの場合、これは、スクリプトがあるディレクトリです。ただし、カレントディレクトリが 変更されている場合を除きます。 CLI SAPI を使用した場合、このデフォルトはスクリプトがコールされたディレクトリとなります。

fopen()file_get_contents() のようないくつかの関数については、相対パスと同時に include_path も検索されます。

ラッパーの概要
属性 サポートの有無
allow_url_fopen で制約される No
読み込み許可 Yes
書き込み許可 Yes
追加許可 Yes
同時読み書き許可 Yes
stat() のサポート Yes
unlink() のサポート Yes
rename() のサポート Yes
mkdir() のサポート Yes
rmdir() のサポート Yes



add a note add a note User Contributed Notes
サポートされるプロトコル/ラッパー
jerry at gii dot co dot jp
18-Aug-2007 02:11
Not only are STDIN, STDOUT, and STDERR only allowed for CLI programs, but they are not allowed for programs that are read from STDIN. That can confuse you if you try to type in a simple test program.
sander at medicore dot nl
14-Jun-2007 08:25
to create a raw tcp listener system i use the following:

xinetd daemon with config like:
service test
{
        disable      = no
        type         = UNLISTED
        socket_type  = stream
        protocol     = tcp
        bind         = 127.0.0.1
        port         = 12345
        wait         = no
        user         = apache
        group        = apache
        instances    = 10
        server       = /usr/local/bin/php
        server_args  = -n [your php file here]
        only_from    = 127.0.0.1 #gotta love the security#
        log_type     = FILE /var/log/phperrors.log
        log_on_success += DURATION
}

now use fgets(STDIN) to read the input. Creates connections pretty quick, works like a charm.Writing can be done using the STDOUT, or just echo. Be aware that you're completely bypassing the webserver and thus certain variables will not be available.
ben dot johansen at gmail dot com
26-Oct-2006 06:57
followup:

I found that if I added this line to the AJAX call, the values would show up in the $_POST

xhttp.setRequestHeader('Content-Type',
'application/x-www-form-urlencoded');
ben dot johansen at gmail dot com
30-Aug-2006 03:02
Example of how to use the php://input to get raw post data

//read the raw data in
$roughHTTPPOST = file_get_contents("php://input");
//parse it into vars
parse_str($roughHTTPPOST);

if you do readfile("php://input") you will get the length of the post data
ben dot johansen at gmail dot com
29-Aug-2006 04:33
In trying to do AJAX with PHP and Javascript, I came upon an issue where the POST argument from the following javascript could not be read in via PHP 5 using the $_REQUEST or $_POST. I finally figured out how to read in the raw data using the php://input directive.
   
Javascript code:
=============
      //create request instance     
      xhttp = new XMLHttpRequest();
      // set the event handler
      xhttp.onreadystatechange = serviceReturn;
      // prep the call, http method=POST, true=asynchronous call
      var Args = 'number='+NbrValue;
      xhttp.open("POST", "http://<?php echo $_SERVER['SERVER_NAME'] ?>/webservices/ws_service.php", true);
      // send the call with args
      xhttp.send(Args);

PHP Code:
    //read the raw data in
    $roughHTTPPOST = file_get_contents("php://input");
    //parse it into vars
    parse_str($roughHTTPPOST);
heitorsiller at uol dot com dot br
07-Jul-2006 11:55
For reading a XML stream, this will work just fine:
<?php

$arq
= file_get_contents('php://input');

?>

Then you can parse the XML like this:

<?php

$xml
= xml_parser_create();

xml_parse_into_struct($xml, $arq, $vs);

xml_parser_free($xml);

$data = "";

foreach(
$vs as $v){

        if(
$v['level'] == 3 && $v['type'] == 'complete')
               
$data .= "\n".$v['tag']." -> ".$v['value'];
}

echo
$data;

?>

PS.: This is particularly useful for receiving mobile originated (MO) SMS messages from cellular phone companies.
opedroso at NOSPAMswoptimizer dot com
13-Apr-2006 03:07
php://input allows you to read raw POST data. It is a less memory intensive alternative to $HTTP_RAW_POST_DATA and does not need any special php.ini directives.

Example use:

$httprawpostdata = file_get_contents("php://input");

When reading a base64 encoded stream using php://input, be aware that you do not need to decode it, it will automatically be done for you.
nyvsld at gmail dot com
28-Nov-2005 03:28
php://stdin supports fseek() and fstat() function call,
while php://input doesn't.
drewish at katherinehouse dot com
25-Sep-2005 03:50
Be aware that contrary to the way this makes it sound, under Apache, php://output and php://stdout don't point to the same place.

<?php
$fo
= fopen('php://output', 'w');
$fs = fopen('php://stdout', 'w');

fputs($fo, "You can see this with the CLI and Apache.\n");
fputs($fs, "This only shows up on the CLI...\n");

fclose($fo);
fclose($fs);
?>

Using the CLI you'll see:
  You can see this with the CLI and Apache.
  This only shows up on the CLI...

Using the Apache SAPI you'll see:
  You can see this with the CLI and Apache.
chris at free-source dot com
27-Apr-2005 04:52
If you're looking for a unix based smb wrapper there isn't one built in,  but I've had luck with http://www.zevils.com/cgi-bin/viewcvs.cgi/libsmbclient-php/ (tarball link at the end).
nargy at yahoo dot com
24-Sep-2004 07:16
When opening php://output in append mode you get an error, the way to do it:
$fp=fopen("php://output","w");
fwrite($fp,"Hello, world !<BR>\n");
fclose($fp);
aidan at php dot net
27-May-2004 07:34
The contants:

* STDIN
* STDOUT
* STDERR

Were introduced in PHP 4.3.0 and are synomous with the fopen('php://stdx') result resource.
lupti at yahoo dot com
29-Nov-2003 07:04
I find using file_get_contents with php://input is very handy and efficient. Here is the code:

$request = "";
$request = file_get_contents("php://input");

I don't need to declare the URL filr string as "r". It automatically handles open the file with read.

I can then use this $request string to your XMLparser as data.
sam at bigwig dot net
16-Aug-2003 12:02
[ Editor's Note: There is a way to know.  All response headers (from both the final responding server and intermediate redirecters) can be found in $http_response_header or stream_get_meta_data() as described above. ]

If you open an HTTP url and the server issues a Location style redirect, the redirected contents will be read but you can't find out that this has happened.

So if you then parse the returned html and try and rationalise relative URLs you could get it wrong.

 
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