PHP | getmxrr() Function

PHP getmxrr() Function


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP getmxrr() Function.

The built-in PHP getmxrr() function is used to get the MX records corresponding to a given internet host name.

Syntax

Following below is the syntax to use this function -

bool getmxrr ( string $hostname , array &$mxhosts [, array &$weight ] )


Parameter Details

Sr.NoParameter & Description
1

host(Mandatory)

It specifies the host name.

2

mxhosts(Mandatory)

An array that specifies a list of MX records found.

3

weight(Optional)

An array that specifies the weight information gathered.



Return Value

This PHP function returns true if records are found, or false if no records were found, or if an error occurred.

Example

Try out the following example below -

<?php
   getmxrr("webdesigntutorialz.com", $mx_records, $mx_weight);
   for($i = 0;$i<count($mx_records);$i++){
      $mxs[$mx_records[$i]] = $mx_weight[$i];
   }
   asort ($mxs);
   $records = array_keys($mxs);
   for($i = 0; $i < count($records); $i++){
      echo $records[$i];
      echo '<br/>';
   }
?>

Output

When the above code is executed, it will produce the following result below -

ASPMX.L.GOOGLE.com
ALT2.ASPMX.L.GOOGLE.com
ALT1.ASPMX.L.GOOGLE.com
ALT4.ASPMX.L.GOOGLE.com
ALT3.ASPMX.L.GOOGLE.com


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will study about the PHP getprotobyname() Function.

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