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<?php
if ($value == '' || $value == 0) {	return '';}
$value = str_replace(array(' ', '.', ','), "", $value);
$eur = $modx->runSnippet("GetTv", array(	"docid" => 1,	"field" => "rate-eur"));
$usd = $modx->runSnippet("GetTv", array(	"docid" => 1,	"field" => "rate-usd"));
$rus = $modx->runSnippet("GetTv", array(	"docid" => 1,	"field" => "rate-rus"));
if ($to == 'eur') {
	if ($from == 'eur') {	
		$result = $value;	
	} else if ($from == 'usd') {
			$result = str_replace(',', '.', round(($value * $usd / $eur), 0));
			} else if ($from == 'rus') {
					$result = str_replace(',', '.', round(($value * $rus / $eur), 0));	
				} else {
						$result = str_replace(',', '.', round(($value / $eur), 0));
							}
						} else if ($to == 'rus') {
							if ($from == 'eur') {	
								$result = str_replace(',', '.', round(($value * $eur / $rus), 0));	
							} else if ($from == 'usd') {	
								$result = str_replace(',', '.', round(($value * $usd / $rus), 0));	
							} else if ($from == 'rus') {	
								$result = $value;	
							} else {
									$result = str_replace(',', '.', round(($value / $rus), 0));
										}
									} else if ($to == 'rub') {
										if ($from == 'eur') {	
											$result = str_replace(',', '.', round(($value * $eur), 0));	
										} else if ($from == 'usd') {	
											$result = str_replace(',', '.', round(($value * $usd), 0));	} else if ($from == 'rus') {		
												$result = str_replace(',', '.', round(($value * $rus), 0));
													} else {	
														$result = $value;	
													}
												} else {
													if ($from == 'eur') {	
														$result = str_replace(',', '.', round(($value * $eur / $usd), 0));	
													} else if ($from == 'usd') {	
														$result = $value;	
													} else if ($from == 'rus') {
															$result = str_replace(',', '.', round(($value * $rus / $usd), 0));	
														} else {	
															$result = str_replace(',', '.', round(($value / $usd), 0));
																}
															}
															echo $result;