Changes for work in Smarty

Generate a list of timezones with PHP

http://www.php.net/manual/en/function.timezone-identifiers-list.php

<?php
// here we are in to a script php how send the variable with array to smarty
$zones = timezone_identifiers_list();
        
foreach ($zones as $zone) 
{
    $zoneExploded = explode('/', $zone); // 0 => Continent, 1 => City
    
    // Only use "friendly" continent names
    if ($zoneExploded[0] == 'Africa' || $zoneExploded[0] == 'America' || $zoneExploded[0] == 'Antarctica' || $zoneExploded[0] == 'Arctic' || $zoneExploded[0] == 'Asia' || $zoneExploded[0] == 'Atlantic' || $zoneExploded[0] == 'Australia' || $zoneExploded[0] == 'Europe' || $zoneExploded[0] == 'Indian' || $zoneExploded[0] == 'Pacific')
    {        
        if (isset($zoneExploded[1]) != '')
        {
            $area = str_replace('_', ' ', $zoneExploded[1]);
            
            if (!empty($zoneExploded[2]))
            {
            	$area = $area . ' (' . str_replace('_', ' ', $zoneExploded[2]) . ')';
            }
            
            $locations[$zoneExploded[0]][$zone] = $area; // Creates array(DateTimeZone => 'Friendly name')
        } 
    }
}

$this->view->time_zone = $locations; // here i send the array to view where i hava Smart Tamplater
?>

/*** Smarty in View ***/

<p>
<label for="timeZone">Timezone: </label>
<select required id="timeZone" name="time_zone">
    <option value="">Default @todo</option>
        {foreach from=$time_zone item=ntz key=ktz}        
            <optgroup label='{$ktz}'>{$ktz}
            {foreach from=$time_zone[$ktz] item=timezone key=ktimezone}
                {assign var='selected' value=''}
                    {if $timezone == $fp->time_zone}
                        {assign var='selected' value='selected="selected"'}
                    {/if}
                    <option {$selected} value="{$ktimezone}">{$timezone}</option>
            {/foreach}
            </optgroup>
        {/foreach}
</select>
{include file='lib/error.tpl' error=$fp->getError('time_zone')}
</p>