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

Опис

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.

Значення, що повертаються

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).

Журнал змін

Версія Опис
8.0.0 session_stream is now nullable.

Приклади

Приклад #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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