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Preparing the hatshop Virtual Folder
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One of the advantages of working with open source, platform-independent technologies is that you can choose the operating system to use for development. You should be able to develop and run HatShop on Windows, Unix, Linux, Mac, and others. However, this also means that you may struggle a little bit to set up your initial environment, especially if you re a beginner. When setting up the project s virtual folder, a few details differ depending on the operating system (mostly because of the different file paths), so we ll cover them separately for Windows and for Unix systems in the following pages. However, the main steps are the same: 1. Create a folder in the file system named hatshop (we use lowercase for folder names), which will contain the HatShop project s files (such as PHP code, image files, and so on). 2. Edit Apache s configuration file (httpd.conf) to create a virtual folder named hatshop that points to the hatshop physical folder created earlier. This way, when pointing a web browser to http://localhost/hatshop, the project in the hatshop physical folder will be loaded. This functionality is implemented in Apache using aliases, which are configured through the httpd.conf configuration file. The syntax of an alias entry is as follows: Alias virtual_folder_name real_folder_name
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The httpd.conf configuration file is well documented, but you can also check the Apache 2 docuTip
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mentation available at http://httpd.apache.org/docs-2.0/.
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If you re working on Windows, follow the steps in the following exercise. The steps for Unix systems will follow after this exercise.
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Exercise: Preparing the hatshop Virtual Folder on Windows
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1. Create a new folder named hatshop, which will be used for all the work you ll do in this book. You might find it easiest to create it in the root folder (C:\), but because we ll use relative paths in the project, feel free to create it in any location. 2. The default place used by Apache to serve client requests from is usually something like C:\Program Files\Apache Software Foundation\ApacheX.Y\htdocs. This location is defined by the DocumentRoot directive in the Apache configuration file, which is located in the APACHE_BASE/conf/httpd.conf file (where APACHE_BASE is the Apache installation folder). Because we want to use our folder instead of the default folder mentioned by DocumentRoot, we need to create a virtual folder named hatshop that points to the hatshop physical folder you created in step 1. Open the Apache configuration file (httpd.conf), and add the following lines: <IfModule alias_module> # ... Alias /hatshop/ "C:/hatshop/" Alias /hatshop "C:/hatshop" </IfModule> <Directory "C:/hatshop"> Allow from all </Directory> After adding these lines and restarting the Apache web server, a request for http://localhost/hatshop or http://localhost/hatshop/ will result in the application in the hatshop folder (if it existed) being executed. 3. Create a file named test.php in the hatshop folder, with the following line inside: < php phpinfo(); > 4. Restart the Apache web server, and load http://localhost/hatshop/test.php (or http:// localhost:8080/hatshop/test.php if Apache works on port 8080) in a web browser.
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CHAPTER 2 LAYING OUT THE FOUNDATIONS
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Exercise: Preparing the hatshop Virtual Folder on Unix Systems
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1. Create a new folder named hatshop, which will be used for all the work you ll do in this book. You might find it easiest to create it in your home directory (in which case the complete path to your hatshop folder will be something like /home/username/hatshop), but because we ll use relative paths in the project, feel free to create it in any location. 2. The default place used by Apache to serve client requests from is usually something like /usr/local/apache2/htdocs/. This location is defined by the DocumentRoot directive in the Apache configuration file, whose complete path is usually /usr/local/apache/conf/httpd.conf. Because we want to use our folder instead of the default folder mentioned by DocumentRoot, we need to create a virtual folder named hatshop that points to the hatshop physical folder you created in step 1. Open the Apache configuration file (httpd.conf), find the Aliases section, and add the following lines: <IfModule alias_module> # ... Alias /hatshop/ "/home/username/hatshop/" Alias /hatshop "/home/username/hatshop" </IfModule> <Directory "/home/username/hatshop"> Allow from all </Directory> After adding these lines, a request for http://localhost/hatshop or http://localhost/hatshop/ will result in the application in the hatshop folder (if it existed) being executed. 3. Create a file named test.php in the hatshop folder, with the following line inside: < php phpinfo(); > 4. Restart the Apache web server, and load http://localhost/hatshop/test.php (or http:// localhost:8080/hatshop/test.php if Apache works on port 8080) in a web browser.
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