stream_socket_enable_crypto

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

stream_socket_enable_cryptoTurns encryption on/off on an already connected socket

Descrizione

stream_socket_enable_crypto(
    resource $stream,
    bool $enable,
    ?int $crypto_method = null,
    ?resource $session_stream = null
): int|bool

Enable or disable encryption on the stream.

Once the crypto settings are established, cryptography can be turned on and off dynamically by passing true or false in the enable parameter.

Valori restituiti

Returns true on success, false if negotiation has failed or 0 if there isn't enough data and you should try again (only for non-blocking sockets).

Log delle modifiche

Versione Descrizione
8.0.0 session_stream is now nullable.

Esempi

Example #1 stream_socket_enable_crypto() example

<?php
$fp
= stream_socket_client("tcp://myproto.example.com:31337", $errno, $errstr, 30);
if (!
$fp) {
die(
"Unable to connect: $errstr ($errno)");
}

/* Turn on encryption for login phase */
stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT);
fwrite($fp, "USER god\r\n");
fwrite($fp, "PASS secret\r\n");

/* Turn off encryption for the rest */
stream_socket_enable_crypto($fp, false);

while (
$motd = fgets($fp)) {
echo
$motd;
}

fclose($fp);
?>

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