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PHP input/output streams> <HTTP and HTTPS
Last updated: Fri, 24 Apr 2009

FTP and FTPS

PHP 4, PHP 5, PHP 6. ftps:// since PHP 4.3.0

  • ftp://example.com/pub/file.txt
  • ftp://user:password@example.com/pub/file.txt
  • ftps://example.com/pub/file.txt
  • ftps://user:password@example.com/pub/file.txt

Allows read access to existing files and creation of new files via FTP. If the server does not support passive mode ftp, the connection will fail.

You can open files for either reading or writing, but not both simultaneously. If the remote file already exists on the ftp server and you attempt to open it for writing but have not specified the context option overwrite, the connection will fail. If you need to overwrite existing files over ftp, specify the overwrite option in the context and open the file for writing. Alternatively, you can use the FTP extension.

Note: Appending
As of PHP 5.0.0 files may be appended via the ftp:// URL wrapper. In prior versions, attempting to append to a file via ftp:// will result in failure.

ftps:// was introduced in PHP 4.3.0. It is the same as ftp://, but attempts to negotiate a secure connection with the ftp server. If the server does not support SSL, then the connection falls back to regular unencrypted ftp.

Note: FTPS is supported starting from PHP 4.3.0, if you have compiled in support for OpenSSL.

Wrapper Summary
Attribute PHP 4 PHP 5
Restricted by allow_url_fopen Yes Yes
Allows Reading Yes Yes
Allows Writing Yes (new files only) Yes (new files/existing files with overwrite )
Allows Appending No Yes
Allows Simultaneous Reading and Writing No No
Supports stat() No As of PHP 5.0.0: filesize(), filetype(), file_exists(), is_file(), and is_dir() elements only. As of PHP 5.1.0: filemtime().
Supports unlink() No Yes
Supports rename() No Yes
Supports mkdir() No Yes
Supports rmdir() No Yes

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FTP and FTPS
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PHP input/output streams> <HTTP and HTTPS
Last updated: Fri, 24 Apr 2009