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Introduction - Zend_Config
Zend_Config is designed to simplify the access to, and the use of, configuration data within applications. It provides a nested object property based user interface for accessing this configuration data within application code. The configuration data may come from a variety of media supporting hierarchical data storage. Currently Zend_Config provides adapters for configuration data that are stored in text files with Zend_Config_Ini and Zend_Config_Xml.
Example #1 Using Zend_Config
Normally it is expected that users would use one of the adapter classes such as Zend_Config_Ini or Zend_Config_Xml, but if configuration data are available in a PHP array, one may simply pass the data to the Zend_Config constructor in order to utilize a simple object-oriented interface:
As illustrated in the example above, Zend_Config provides nested object property syntax to access configuration data passed to its constructor.
Along with the object oriented access to the data values, Zend_Config also has get() which will return the supplied default value if the data element doesn't exist. For example:
Example #2 Using Zend_Config with a PHP Configuration File
It is often desirable to use a pure PHP-based configuration file. The following code illustrates how easily this can be accomplished: