Tipos de Recurso
SSH2 Funções
SSH2
PHP Manual

# Constantes pré-definidas

As contantes abaixo são definidas por esta extensão e somente estarão disponíveis quando a extensão foi compilada com o PHP ou carregada dinamicamente durante a execução.

`SSH2_FINGERPRINT_MD5` (integer)
  Flag to ssh2_fingerprint() requesting hostkey fingerprint as an MD5 hash.
`SSH2_FINGERPRINT_SHA1` (integer)
  Flag to ssh2_fingerprint() requesting hostkey fingerprint as an SHA1 hash.
`SSH2_FINGERPRINT_HEX` (integer)
  Flag to ssh2_fingerprint() requesting hostkey fingerprint as a string of hexits.
`SSH2_FINGERPRINT_RAW` (integer)
  Flag to ssh2_fingerprint() requesting hostkey fingerprint as a raw string of 8-bit characters.
`SSH2_TERM_UNIT_CHARS` (integer)
  Flag to ssh2_shell() specifying that `width` and `height` are provided as character sizes.
`SSH2_TERM_UNIT_PIXELS` (integer)
  Flag to ssh2_shell() specifying that `width` and `height` are provided in pixel units.
`SSH2_DEFAULT_TERM_WIDTH` (integer)
  Default terminal width requested by ssh2_shell().
`SSH2_DEFAULT_TERM_HEIGHT` (integer)
  Default terminal height requested by ssh2_shell().
`SSH2_DEFAULT_TERM_UNIT` (integer)
  Default terminal units requested by ssh2_shell().
`SSH2_STREAM_STDIO` (integer)
  Flag to ssh2_fetch_stream() requesting STDIO subchannel.
`SSH2_STREAM_STDERR` (integer)
  Flag to ssh2_fetch_stream() requesting STDERR subchannel.
`SSH2_DEFAULT_TERMINAL` (string)
  Default terminal type (e.g. vt102, ansi, xterm, vanilla) requested by ssh2_shell().

Tipos de Recurso
SSH2 Funções
SSH2
PHP Manual