Не срабатывает условие php

<?php $user = cmsUser::getInstance();
if ((($user->is_logged) && ($_SERVER['REQUEST_URI'] != '/pages/how-it-works' || $_SERVER['REQUEST_URI'] != '/pages/how-it-works-2')) 
 
|| ((!$user->is_logged) && ($_SERVER['REQUEST_URI'] != '/' || $_SERVER['REQUEST_URI'] != '/index.php' || $_SERVER['REQUEST_URI'] != '/pages/how-it-works.html'))) { ?>
 
 <div class="is_left_menu_main">
<?php $this->widgets('left-menu-main'); ?>
</div>
 
<?php } ?>

$_SERVER['REQUEST_URI'] != '/pages/how-it-works' || $_SERVER['REQUEST_URI'] != '/pages/how-it-works-2'

((!$user->is_logged) && ($_SERVER['REQUEST_URI'] != '/' || $_SERVER['REQUEST_URI'] != '/index.php')))

if ($user->is_logged) {$page = 'this_one.php';}
else {$page = 'other_one.php';}

$_SERVER['REQUEST_URI'] != '/pages/how-it-works'

<?php
if ( !function_exists( 'addWidgetsLeftMenuMain_dgp10df9bpzxkns' ) ) {
    function addWidgetsLeftMenuMain_dgp10df9bpzxkns($e) {
        ?>
         <div class="is_left_menu_main">
        <?php 
            $e->widgets('left-menu-main'); 
        ?>
        </div>
        <?php
    }
}
 
$user = cmsUser::getInstance();
if ( ($_SERVER['REQUEST_URI'] === '/') || 
        ($_SERVER['REQUEST_URI'] === '/index.php') || 
            ($_SERVER['REQUEST_URI'] === '/pages/how-it-works.html') ) {
    if ( $user->is_logged ) {
        addWidgetsLeftMenuMain_dgp10df9bpzxkns($this);
    }
} else {
    addWidgetsLeftMenuMain_dgp10df9bpzxkns($this);
}

 <?php
$user = cmsUser::getInstance();
if ( ($_SERVER['REQUEST_URI'] === '/') || 
        ($_SERVER['REQUEST_URI'] === '/index.php') || 
            ($_SERVER['REQUEST_URI'] === '/pages/how-it-works.html') ) {
    if ( $user->is_logged ) {
        goto showMenuMain;
    }
} else {
    goto showMenuMain;
}
goto nextCode;
showMenuMain:
        ?>
         <div class="is_left_menu_main">
        <?php 
            $this->widgets('left-menu-main'); 
        ?>
        </div>
        <?php
nextCode: