Please add the following codes under the view.phtml
<?php
function getPreviousProduct()
{
$prodId = Mage::registry('current_product')->getId();
$catArray = Mage::registry('current_category');
if($catArray){
$catArray = $catArray->getProductsPosition();
$keys = array_flip(array_keys($catArray));
$values = array_keys($catArray);
$productId = $values[$keys[$prodId]-1];
$product = Mage::getModel('catalog/product');
if($productId){
$product->load($productId);
return $product->getProductUrl();
}
return false;
}
return false;
}
function getNextProduct()
{
$prodId = Mage::registry('current_product')->getId();
$catArray = Mage::registry('current_category');
if($catArray){
$catArray = $catArray->getProductsPosition();
$keys = array_flip(array_keys($catArray));
$values = array_keys($catArray);
$productId = $values[$keys[$prodId]+1];
$product = Mage::getModel('catalog/product');
if($productId){
$product->load($productId);
return $product->getProductUrl();
}
return false;
}
return false;
}
?>
<?php $_prev = getPreviousProduct(); ?>
<?php $_next = getNextProduct(); ?>
<?php
function getPreviousProduct()
{
$prodId = Mage::registry('current_product')->getId();
$catArray = Mage::registry('current_category');
if($catArray){
$catArray = $catArray->getProductsPosition();
$keys = array_flip(array_keys($catArray));
$values = array_keys($catArray);
$productId = $values[$keys[$prodId]-1];
$product = Mage::getModel('catalog/product');
if($productId){
$product->load($productId);
return $product->getProductUrl();
}
return false;
}
return false;
}
function getNextProduct()
{
$prodId = Mage::registry('current_product')->getId();
$catArray = Mage::registry('current_category');
if($catArray){
$catArray = $catArray->getProductsPosition();
$keys = array_flip(array_keys($catArray));
$values = array_keys($catArray);
$productId = $values[$keys[$prodId]+1];
$product = Mage::getModel('catalog/product');
if($productId){
$product->load($productId);
return $product->getProductUrl();
}
return false;
}
return false;
}
?>
<?php $_prev = getPreviousProduct(); ?>
<?php $_next = getNextProduct(); ?>
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