--TEST--
Bug #50158 (FILTER_VALIDATE_EMAIL fails with valid addresses containing = or ?)
--SKIPIF--
<?php if (!extension_loaded("filter")) die("skip"); ?>
--FILE--
<?php

$email_address = "test=mail@example.com";    
var_dump(filter_var($email_address, FILTER_VALIDATE_EMAIL));    
                                                                
$email_address = "test-mail@example.com";    
var_dump(filter_var($email_address, FILTER_VALIDATE_EMAIL));    
    
$email_address = "test+mail@example.com";    
var_dump(filter_var($email_address, FILTER_VALIDATE_EMAIL));   

$email_address = "test?mail@example.com";    
var_dump(filter_var($email_address, FILTER_VALIDATE_EMAIL));   

?>
--EXPECTF--
%unicode|string%(21) "test=mail@example.com"
%unicode|string%(21) "test-mail@example.com"
%unicode|string%(21) "test+mail@example.com"
%unicode|string%(21) "test?mail@example.com"