deny direct access to a folder and file by htaccess

<Files ~ "^.*">
  Deny from all
</Files>

<Files ~ "^index\.php|css|js|.*\.png|.*\.jpg|.*\.gif|.*\.JPG|.*\.jpeg">
  Allow from all
</Files>

How to redirect on http to https and www to no www

1.) Redirect http to https :-

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

2.) Redirect wwwto no www :-

RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.domain.com [NC]
RewriteRule ^(.*)$ https://domain.com/$1 [L,R=301]

Get city name from latitude longitude in php

function getcityname($latitude,$longitude) // get city name from lat long.
{
$geolocation = $latitude.','.$longitude;
$request = 'http://maps.googleapis.com/maps/api/geocode/json?latlng='.$geolocation.'&sensor=false';
$file_contents = file_get_contents($request);
$json_decode = json_decode($file_contents);
if(isset($json_decode->results[0])) {
    $response = array();
    foreach($json_decode->results[0]->address_components as $addressComponet) {
        if(in_array('political', $addressComponet->types)) {
                $response[] = $addressComponet->long_name;
        }
    }

    if(isset($response[0])){ $first  =  $response[0];  } else { $first  = 'null'; }
    if(isset($response[1])){ $second =  $response[1];  } else { $second = 'null'; }
    if(isset($response[2])){ $third  =  $response[2];  } else { $third  = 'null'; }
    if(isset($response[3])){ $fourth =  $response[3];  } else { $fourth = 'null'; }
    if(isset($response[4])){ $fifth  =  $response[4];  } else { $fifth  = 'null'; }

    if( $first != 'null' && $second != 'null' && $third != 'null' && $fourth != 'null' && $fifth != 'null' ) {
         $city = $second;
    }
    else if ( $first != 'null' && $second != 'null' && $third != 'null' && $fourth != 'null' && $fifth == 'null'  ) {
         $city = $second;
    }
    else if ( $first != 'null' && $second != 'null' && $third != 'null' && $fourth == 'null' && $fifth == 'null' ) {
        $city = $first;
    }
    else if ( $first != 'null' && $second != 'null' && $third == 'null' && $fourth == 'null' && $fifth == 'null'  ) {
       $city = $first;
     
    }
return $city;
  }

}

Magento fax field replace with mobile number

Open file app/locale/en_US/Mage_Page.csv 
Paste the below code at last line
"Fax","Mobile"

For changes in admin panel Go to admin->system->configuration-> customer configuration 
And open the address template tab. Then replace all F (Fax) With M (Mobile) in all tabs
1. Text
2. HTML
3. PDF
4. JavaScript Template
The changes will be work on all order,invoice,shipment history and email all places.

Magento Set reviews limit on product page

Copy /app/code/core/Mage/Review/Block/Product/View/View.php to
 /app/code/local/Mage/Review/Block/Product/View.php. with following code :-

Find the function getReviewsCollection() and replce with below function.

public function getReviewsCollection()
    {
        if (null === $this->_reviewsCollection) {
            $this->_reviewsCollection = Mage::getModel('review/review')->getCollection()
                ->addStoreFilter(Mage::app()->getStore()->getId())
                ->addStatusFilter(Mage_Review_Model_Review::STATUS_APPROVED)
                ->addEntityFilter('product', $this->getProduct()->getId())
                ->setDateOrder();
                $this->_reviewsCollection->getSelect()->limit(5);
        }
        return $this->_reviewsCollection;
    }

Add Payment Method Custom column in admin > sales > order

1.)  Copy /app/code/core/Mage/Adminhtml/Block/Sales/Order/Grid.php to
 /app/code/local/Mage/Adminhtml/Block/Sales/Order/Grid.php. 

And replace with this function.

protected function _prepareCollection()
    {
         $collection = Mage::getResourceModel($this->_getCollectionClass());
         $collection->join(array('payment'=>'sales/order_payment'),'main_table.entity_id=parent_id','method');
         $this->setCollection($collection);
         return Mage_Adminhtml_Block_Widget_Grid::_prepareCollection();
         // end here //
    }

2.)  Search the function _prepareColumns() and add below code in this function
 

$payments = Mage::getSingleton('payment/config')->getActiveMethods();

        $methods = array();
        foreach ($payments as $paymentCode=>$paymentModel)
        {
                $paymentTitle = Mage::getStoreConfig('payment/'.$paymentCode.'/title');
                $methods[$paymentCode] = $paymentTitle;
        }

        $this->addColumn('method', array(
                'header' => Mage::helper('sales')->__('Payment Method'),
                        'index' => 'method',
                        'filter_index' => 'payment.method',
                        'type'  => 'options',
                        'width' => '70px',
                        'options' => $methods,
                ));
        // End here

how to change usps shipping method title in magento

First open the below directory file

app/code/core/Mage/Sales/Model/Quote/Address/Rate.php

Please replace


->setMethodTitle($rate->getMethodTitle())

with

->setMethodTitle(Mage::helper('shipping')->__($rate->getMethodTitle()))

And Make changes into the Mage_Shipping.csv file as you wish.