Obsolete polyfill

[IanDelMar]

The plugin requires PHP 7

Post-SMTP/Postman/Postman.php

Lines 528 to 542 in afce560

	if ( ! function_exists( 'str_getcsv' ) ) {
	/**
	* PHP version less than 5.3 don't have str_getcsv natively.
	*
	* @param mixed $string
	* @return multitype:
	*/
	function str_getcsv( $string ) {
	$logger = new PostmanLogger( 'postman-common-functions' );
	if ( $logger->isDebug() ) {
	$logger->debug( 'Using custom str_getcsv' );
	}
	return PostmanUtils::postman_strgetcsv_impl( $string );
	}
	}

Post-SMTP/Postman/Postman-Configuration/PostmanSmtpDiscovery.php

Lines 213 to 234 in afce560

	function getmxrr($hostname, &$mxhosts, &$mxweight) {
	if (! is_array ( $mxhosts )) {
	$mxhosts = array ();
	}
	$hostname = escapeshellarg ( $hostname );
	if (! empty ( $hostname )) {
	$output = "";
	@exec ( "nslookup.exe -type=MX $hostname.", $output );
	$imx = - 1;
	foreach ( $output as $line ) {
	$imx ++;
	$parts = "";
	if (preg_match ( "/^$hostname\tMX preference = ([0-9]+), mail exchanger = (.*)$/", $line, $parts )) {
	$mxweight [$imx] = $parts [1];
	$mxhosts [$imx] = $parts [2];
	}
	}
	return ($imx != - 1);
	}
	return false;
	}