function is_valid_email( $email , $test_mx = false) |
{ |
if ( eregi ( "^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,4})$" , $email )) |
if ( $test_mx ) |
{ |
list( $username , $domain ) = split( "@" , $email ); |
return getmxrr ( $domain , $mxrecords ); |
} |
else |
return true; |
else |
return false; |
} |