getmxrr

FunctionParams and return types changed in PHP 8.0

Get MX records corresponding to a given Internet host name.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

getmxrr Function synopsis

getmxrr(
    string $hostname,
    &$hosts,
    &$weights = null
  ): bool

Parameters

$hostname

Typestring

The Internet host name.

$hosts

Passed by reference

A list of the MX records found is placed into the array $hosts.

$weights

Passed by reference, OptionalDefault valuenull

If the $weights array is given, it will be filled with the weight information gathered.

Note that the parameters $hosts and $weights are passed by reference, and contain additional/updated context data that may be useful.

Return value

Typebool

Returns true if any records are found; returns false if no records were found or if an error occurred.

Changes to the getmxrr Function

PHP 8.0

  • Return type added: bool
  • Parameter type added for parameter #1 ($hostname): string
  • Parameter name of parameter #2 changed: $mxhosts to $hosts
  • Parameter name of parameter #3 changed: $weight to $weights
  • Parameter default value added for position #3 ($weights): null
  getmxrr(
-     $hostname,
+     string $hostname,
-     &$mxhosts,
+     &$hosts,
-     &$weight
+     &$weights = null
-   )
+   ): bool

getmxrr Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes