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Configuring the site for the remote database

From: Dreamweaver with PHP and MySQL

Video: Configuring the site for the remote database

Once you have deployed your database to a remote server, you can configure your Dreamweaver site so that when it's running locally, it's talking to the local database, and when it's working on the remote site, it's working with the remote database. To do this, you'll have to make some customizations to your connections file. In my web site, it's called explorecalifornia.php, and these files are always located in the Connections folder, under the site root. In the connections file, there are four variables being set: the hostname, the database name, the username, and the password.

Configuring the site for the remote database

Once you have deployed your database to a remote server, you can configure your Dreamweaver site so that when it's running locally, it's talking to the local database, and when it's working on the remote site, it's working with the remote database. To do this, you'll have to make some customizations to your connections file. In my web site, it's called explorecalifornia.php, and these files are always located in the Connections folder, under the site root. In the connections file, there are four variables being set: the hostname, the database name, the username, and the password.

These settings currently are for the local database. Using a little bit of PHP conditional code, you can detect where you are running, and set the variables accordingly. I will start in this demonstration by doing little bit of debugging and showing you some values that you can inspect to find out where you are running. I will use an echo command, and I will output to values concatenated together. The first is $_SERVER HTTP HOST. This returns the name of the domain that's accepting and processing the request.

Then I will put in a dot for concatenation, and then I will output $_SERVER bracket REQUEST_URI. This is the full name of the page, as it's known to the browser. Now I will save the changes and run the page in the browser and show you that it returns the name of the domain, in this case local host, and then the full URI, or Uniform Resource Identifier. That includes all of the folders and the file name that's being requested.

In this case, my local server is running in the folder dwwithphp. Now let's see what happens when I am working on the remote server. I will go back to Dreamweaver, and I will go to the Files panel to the Connections folder, and I will put this file onto my server. Then I will go back to the browser, and I will replace the name with the folder that I am using as my local server with the name of folder I am using as the remote server, remote, and I will see that the same file returns a value of remote.

So for this demonstration, I am going to look for the word "remote," and if I find it, I will determine that I am on a remote server. When you are working with an actual remote site, look for your domain name, or your IP Address, because if that value is a part of this string, that tells you are working on the remote site. Here is the PHP code I'll use to do the detection. I will change this line of code, so that instead of echoing this value, I will save this value as a variable. I will call it requesturi.

Then I will create a variable called pos, standing for position, and I will get the value of that variable by calling a function called strpos. The strpos function looks for a substring within a string. In the syntax example, you will see that PHP refers to this as finding a needle in a haystack. So the first value I will pass in is the haystack, my variable requesturi, and then the second value I will pass in is remote and again, if you are working within actual remote site, it might be mycompany.com, the domain name.

The strpos function returns the numeric position of the string that it finds. Or if it doesn't find anything, it returns a blank value. You can determine whether the string was found in the requesturi by asking whether to pos variable returns true or false. So I am going add an if clause. I will create the if statement with a pair of parentheses and an else statement, also with a pair of parentheses. Then I will take the four variables that are being set.

I will cut them to the clipboard, and I will paste them twice into both the if clause and into the else clause. Now I will apply a condition. For the if clause, I will place the cursor between the parentheses, and I will simply type in the name of the variable, pos. This expression will return true if the value was found and false if it wasn't. So the first condition is for the remote site, not for the local, and I am going to change the name of the database from explorecalifornia to exploreremote. And again, if you are working on an actual remote site, you would change all of these values: the hostname, the database name, the username, and the password.

In my case, all of the values are the same except for the database itself. I will save my changes, and I will go to my site header, and I will synchronize. This time I am going to click the Synchronize button in the toolbar, just to show you that that's an available workflow. I will preview files that need to be put onto the remote server, and I will see that my connections file is eligible. I will click OK, and that places the new version of the file on the remote server.

Now I am going to open the file in the Explorers folder, explorerlist.php. You may remember that the difference that I created between the local database and the remote database is that I removed all the data from the explorers table. So I will open explorerlist.php, and I will run it in the browser. So right now, I am looking at the login form for the local site. I will login with User Name explorerone and the Password, which is simply password, and when I look at the version of the list page on the local site, I see all of the data.

Now I will go to the web address in the browser, and I will change from the local site, dwwithphp, to the remote site in the remote folder. If you are prompted to log in again, do so. But then you should see the version of the page on the remote site that shows that there is nothing in the database, that is that the explorers table is empty. And that verifies that you are looking at the version of the database that's targeted for the remote site. When you customize your connections file, you should be aware that it may cause some problems for Dreamweaver.

For example, if I now go to the Databases panel and refresh, depending on the state of your setup, you may or may not be able to see the list of tables, and you may or may not be able to add new server behaviors. If you have any trouble with this, I recommend keeping a couple of different copies of your connections file around, and just rename them as needed when you are doing your development work. In this case, all of my development work is complete, and I am simply deploying my finished PHP site to my remote server, and if I need to make any bug fixes or add simple features to the site later on, I will be able to easily do so using this connections file that's been customized to work with both the local and the remote database.

Show transcript

This video is part of

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Dreamweaver with PHP and MySQL

61 video lessons · 36588 viewers

David Gassner
Author

 
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  1. 8m 48s
    1. Welcome
      1m 25s
    2. What you should know before watching this course
      2m 17s
    3. Using the exercise files
      1m 40s
    4. Understanding the differences between Dreamweaver CS5.5 and CS6
      3m 26s
  2. 19m 31s
    1. Understanding static vs. dynamic web pages
      4m 32s
    2. Selecting application and database servers
      6m 10s
    3. Introducing Apache, MySQL, and PHP
      6m 36s
    4. Installing Apache, MySQL, and PHP
      2m 13s
  3. 39m 34s
    1. Defining a Dreamweaver site
      3m 22s
    2. Configuring a PHP testing server
      7m 48s
    3. Creating and testing a PHP-based web page
      8m 25s
    4. Adding PHP commands with the Insert panel
      3m 14s
    5. Setting and outputting simple variables
      3m 56s
    6. Testing pages with Live view and Live Code view
      2m 9s
    7. Using server-side includes
      7m 50s
    8. Navigating included pages with the Code Navigator
      2m 50s
  4. 36m 37s
    1. Using code hinting with PHP variables
      5m 31s
    2. Understanding PHP custom classes
      6m 38s
    3. Adding Zend Framework to PHP on Windows
      5m 18s
    4. Adding Zend Framework to PHP on Mac
      4m 2s
    5. Using the Site-Specific Code Hints feature
      3m 43s
    6. Using Zend Framework classes with code hints
      7m 26s
    7. Managing reusable code with the Snippets panel
      3m 59s
  5. 18m 27s
    1. Understanding relational databases
      5m 26s
    2. Creating a MySQL database in phpMyAdmin
      4m 41s
    3. Adding data in phpMyAdmin
      2m 46s
    4. Importing a completed database from a script
      5m 34s
  6. 39m 35s
    1. Defining a Dreamweaver database connection
      5m 27s
    2. Building a simple recordset
      4m 31s
    3. Building an advanced recordset
      5m 1s
    4. Displaying data with repeating regions
      6m 4s
    5. Displaying data in a dynamic table
      4m 15s
    6. Formatting dynamic data
      4m 54s
    7. Displaying the total number of records
      2m 4s
    8. Limiting records with paging controls
      4m 5s
    9. Creating conditional regions
      3m 14s
  7. 43m 12s
    1. Building a simple data entry form
      5m 27s
    2. Handling form submissions with PHP
      5m 12s
    3. Creating a customer email form
      3m 9s
    4. Validating form controls with Spry
      7m 54s
    5. Populating a list control with dynamic data
      4m 50s
    6. Working with multiple checkbox controls
      8m 5s
    7. Sending email with Zend_Mail
      8m 35s
  8. 50m 51s
    1. Using data wizards
      6m 20s
    2. Formatting dates for SQL
      5m 27s
    3. Creating a custom data entry form
      4m 50s
    4. Preparing a database table for server behaviors
      3m 3s
    5. Using the Insert Record server behavior
      5m 42s
    6. Preparing an update form
      7m 6s
    7. Using the Update Form behavior
      5m 46s
    8. Creating list page links to edit and update data
      7m 3s
    9. Using the Delete Record server behavior
      5m 34s
  9. 14m 45s
    1. Creating a login form with a PHP server behavior
      6m 29s
    2. Protecting page access with PHP server behaviors
      4m 17s
    3. Logging out with a PHP server behavior
      3m 59s
  10. 22m 50s
    1. Configuring a remote server with FTP credentials
      4m 42s
    2. Synchronizing site assets with the remote server
      5m 27s
    3. Exporting the MySQL database to a script
      3m 8s
    4. Importing the MySQL database on a remote server
      2m 24s
    5. Configuring the site for the remote database
      7m 9s
  11. 52s
    1. Final thoughts
      52s

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