Secure Shell 2

ssh2.shell:// ssh2.exec:// ssh2.tunnel:// ssh2.sftp:// ssh2.scp:// PHP 4.3.0 and up (PECL)

ssh2.shell://user:pass@example.com:22/xterm
ssh2.exec://user:pass@example.com:22/usr/local/bin/somecmd
ssh2.tunnel://user:pass@example.com:22/192.168.0.1:14
ssh2.sftp://user:pass@example.com:22/path/to/filename

This wrapper is not enabled by default: In order to use the ssh2.*:// wrappers you must install the SSH2 extension available from PECL.

In addition to accepting traditional URI login details, the ssh2 wrappers will also reuse open connections by passing the connection resource in the host portion of the URL.

Example M-6. Opening a stream from an active connection


<?php
$session = ssh2_connect('example.com', 22);
ssh2_auth_pubkey_file($session, 'username', '/home/username/.ssh/id_rsa.pub',
                                            '/home/username/.ssh/id_rsa', 'secret');
$stream = fopen("ssh2.tunnel://$session/remote.example.com:1234", 'r');
?>

Table M-9. Wrapper Summary

Attribute	ssh2.shell	ssh2.exec	ssh2.tunnel	ssh2.sftp	ssh2.scp
Restricted by allow_url_fopen	Yes	Yes	Yes	Yes	Yes
Allows Reading	Yes	Yes	Yes	Yes	Yes
Allows Writing	Yes	Yes	Yes	Yes	No
Allows Appending	No	No	No	Yes (When supported by server)	No
Allows Simultaneous Reading and Writing	Yes	Yes	Yes	Yes	No
Supports stat()	No	No	No	Yes	No
Supports unlink()	No	No	No	Yes	No
Supports rename()	No	No	No	Yes	No
Supports mkdir()	No	No	No	Yes	No
Supports rmdir()	No	No	No	Yes	No

Table M-10. Context options

Name	Usage	Default
`session`	Preconnected ssh2 resource to be reused
`sftp`	Preallocated sftp resource to be reused
`methods`	Key exchange, hostkey, cipher, compression, and MAC methods to use
`callbacks`
`username`	Username to connect as
`password`	Password to use with password authentication
`pubkey_file`	Name of public key file to use for authentication
`privkey_file`	Name of private key file to use for authentication
`env`	Associate array of environment variables to set
`term`	Terminal emulation type to request when allocating a pty
`term_width`	Width of terminal requested when allocating a pty
`term_height`	Height of terminal requested when allocating a pty
`term_units`	Units to use with term_width and term_height	`SSH2_TERM_UNIT_CHARS`


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