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функция не описана

PHPMailer\PHPMailer

SMTP::connect() public WP 1.0

Connect to an SMTP server.

{} Это метод класса: SMTP{}

Хуков нет.

Возвращает

true/false.

Использование

$SMTP = new SMTP();
$SMTP->connect( $host, $port, $timeout, $options );
$host(строка) (обязательный)
SMTP server IP or host name
$port(число)
The port number to connect to
По умолчанию: null
$timeout(число)
How long to wait for the connection to open
По умолчанию: 30
$options(массив)
An array of options for stream_context_create()
По умолчанию: []

Код SMTP::connect() WP 5.5.2

<?php
public function connect($host, $port = null, $timeout = 30, $options = [])
{
    static $streamok;
    //This is enabled by default since 5.0.0 but some providers disable it
    //Check this once and cache the result
    if (null === $streamok) {
        $streamok = function_exists('stream_socket_client');
    }
    // Clear errors to avoid confusion
    $this->setError('');
    // Make sure we are __not__ connected
    if ($this->connected()) {
        // Already connected, generate error
        $this->setError('Already connected to a server');

        return false;
    }
    if (empty($port)) {
        $port = self::DEFAULT_PORT;
    }
    // Connect to the SMTP server
    $this->edebug(
        "Connection: opening to $host:$port, timeout=$timeout, options=" .
        (count($options) > 0 ? var_export($options, true) : 'array()'),
        self::DEBUG_CONNECTION
    );
    $errno = 0;
    $errstr = '';
    if ($streamok) {
        $socket_context = stream_context_create($options);
        set_error_handler([$this, 'errorHandler']);
        $this->smtp_conn = stream_socket_client(
            $host . ':' . $port,
            $errno,
            $errstr,
            $timeout,
            STREAM_CLIENT_CONNECT,
            $socket_context
        );
        restore_error_handler();
    } else {
        //Fall back to fsockopen which should work in more places, but is missing some features
        $this->edebug(
            'Connection: stream_socket_client not available, falling back to fsockopen',
            self::DEBUG_CONNECTION
        );
        set_error_handler([$this, 'errorHandler']);
        $this->smtp_conn = fsockopen(
            $host,
            $port,
            $errno,
            $errstr,
            $timeout
        );
        restore_error_handler();
    }
    // Verify we connected properly
    if (!is_resource($this->smtp_conn)) {
        $this->setError(
            'Failed to connect to server',
            '',
            (string) $errno,
            $errstr
        );
        $this->edebug(
            'SMTP ERROR: ' . $this->error['error']
            . ": $errstr ($errno)",
            self::DEBUG_CLIENT
        );

        return false;
    }
    $this->edebug('Connection: opened', self::DEBUG_CONNECTION);
    // SMTP server can take longer to respond, give longer timeout for first read
    // Windows does not have support for this timeout function
    if (strpos(PHP_OS, 'WIN') !== 0) {
        $max = (int) ini_get('max_execution_time');
        // Don't bother if unlimited
        if (0 !== $max && $timeout > $max) {
            @set_time_limit($timeout);
        }
        stream_set_timeout($this->smtp_conn, $timeout, 0);
    }
    // Get any announcement
    $announce = $this->get_lines();
    $this->edebug('SERVER -> CLIENT: ' . $announce, self::DEBUG_SERVER);

    return true;
}