Regular expression to ignore escaped quotes within quotes

Params:
Language: PHP

Problem:
I have string:
$text = '[[["my tree \",and to and \"\" something \'\"else","moe derevo \" , a takzhe i\" \"nechto \" drugoe",""]],,"en",,[["en"]],2]';
I need only quoted part of it:  my tree \",and to and \"\" something \'\"else


Solution:

$pattern = '/"([^"\\\\]*(?:\\\\.[^"\\\\]*)*)"/imsu'; // Use this regular expression
$match = '';
preg_match($pattern, $text, $match);
var_dump($match[1]);

And you will see: my tree \",and to and \"\" something \'\"else

Magento database add table prefix

Problem:
Store setup was without database table prefix.
Now I need to move magento database to existing db with tables from another application.

Parameters:
Magento version 1.6.0

Solution:
Create script "add_db_prefix.php" in your store public catalog. Listing:


<?php
$database_host = "localhost"; // Here database server, ip or domain name
$database_user = "<your_db_user>";
$database_password = "<your_db_user_password>";
$magento_database = "<your_db_name>";
$table_prefix = "mage_"; // Table prefix wich you want!!!

$db = mysql_connect($database_host, $database_user, $database_password);
mysql_select_db($magento_database);
$result = mysql_query("SHOW TABLES") or die('Err');
while (($row = mysql_fetch_array($result)) != false) {
    $old_table = $row[0];
    if (preg_match('/'.$table_prefix.'/', $old_table)) {
        echo "Table $old_table already done<br/>\n";
        continue;
    }

    $new_table = $table_prefix.$old_table;
    echo "Renaming $old_table to $new_table<br/>\n";
    $query = "RENAME TABLE `$old_table`  TO `$new_table`";
    mysql_query($query);
}
?>

Do not forget change db conection data in script!
Follow to the url: http://<your_store_domain_name>/add_db_prefix.php
Now all tables in db with new prefix.
And of course you need setup table prefix in your store config file.
Edit config: "app/etc/local.xml"
Find string: "<table_prefix><![CDATA[]]></table_prefix>"
Put there your new table prefix: "<table_prefix><![CDATA[mage_]]></table_prefix>"

Magento Admin Notification bugfix

Magento v.1.6
Trouble:
Every time when I am login to the admin panel see this message:"Reminder: Change Magento`s default phone numbers and callouts before site launch"
It's really damn annoying.


Sollution:
Copy the file app/code/core/Mage/AdminNotification/Model/Resource/Inbox.php
to app/code/local/Mage/AdminNotification/Model/Resource 
Create these folders if they does not exists.
And edit this php script.
Line 102. Find:
$select = $adapter->select()
                ->from($this->getMainTable())
                ->where('url=?', $item['url']);
Replace it by:$select = $adapter->select()
                ->from($this->getMainTable())
                ->where('url=? OR url IS NULL', $item['url'])
                ->where('title=?', $item['title']);
Delete all your notifications.


Thanks to Payserv http://www.magentocommerce.com/boards/viewthread/246247/

Move Magento store to another server

Actions

• Create DB backup (phpmyadmin or etc.)
• Import backup to server DB.
• Copy all magento files to the server.
• Edit config for DB connection. (app/etc/local.xml)
• Clear Magento cache folder (var/cache/)

In phpmyadmin.

1. open table core_config_data
2. Find rows where column "path" equal "web/unsecure/base_url" and "web/secure/base_url".
3. Edit these rows. Set appropriate site domain name.

Magento Connect Manager problems

Errors on page Magento Connect Manager(MCM):
1) "Warning: Your Magento folder does not have sufficient write permissions."
2) "Config file does not exists" or something like that
3) MCM tab "Settings" Deployment Type "Local Filesystem" is inactive

Solution (Your magento installation folder here /var/www/<domain_name>/public/):
Change folders permission
> chmod -v 777 /var/www/<domain_name>/public/
> chmod -v 777 /var/www/<domain_name>/public/downloader/