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PHPからFTPSで接続したときのエラー対応

Last updated at Posted at 2018-04-09

かなり特殊事例のため、主に自分用メモ。
PHPからFTPSで接続してデータ転送をするとき、コネクションは確立できるもののput時に下記エラーが出て転送できないときの対応。
ftp_put(): php_connect_nonb() failed: Operation in progress (115)

エラーパターン

ftp_conn_ng.php
$ftpInfo = [
  "ftpServer" => aaa.bbb.com,
  "ftpPort"   => 21,
  "ftpUser"   => user,
  "ftpPass"   => pass
];

$data = [
  "local"  => "localdir/file.txt",
  "remote" => "remotedir"
];

$connection = ftp_ssl_connect($ftpInfo['ftpServer'],$ftpInfo['ftpPort']);
$login_result = ftp_login(
  $connection,
  $ftpInfo['ftpUser'],
  $ftpInfo['ftpPass']
);

if($login_result){
  ftp_pasv($connection, true);
  $result = ftp_put($connection, $data["remote"]."/".basename($data["local"]), $data["local"], FTP_BINARY);
}
ftp_close($connection);

修正版

ftp_set_optionでFTP_USEPASVADDRESSの値をfalseに変更

ftp_conn_ok.php
$ftpInfo = [
  "ftpServer" => aaa.bbb.com,
  "ftpPort"   => 21,
  "ftpUser"   => user,
  "ftpPass"   => pass
];

$data = [
  "local"  => "localdir/file.txt",
  "remote" => "remotedir"
];

$connection = ftp_ssl_connect($ftpInfo['ftpServer'],$ftpInfo['ftpPort']);
$login_result = ftp_login(
  $connection,
  $ftpInfo['ftpUser'],
  $ftpInfo['ftpPass']
);

if($login_result){
  ftp_set_option($connection, FTP_USEPASVADDRESS, false); // ← 追加
  ftp_pasv($connection, true);
  $result = ftp_put($connection, $data["remote"]."/".basename($data["local"]), $data["local"], FTP_BINARY);
}
ftp_close($connection);

とりあえずこれで動くようにはなったものの、FTP_USEPASVADDRESSの意味がいまいち分からず。。
誰かご存知の方いましたら教えてください。

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