26008Geo-targetinghttp://www.phpfive.net/article42.htmGeo-targeting is commonly used to localize content such as adverts and for statistical purposes. This process is also known as localization.
The problem with Internet based geo-targeting is that it tends to be a rather inprecise affair and can not be relied upon to be 100% accurate. In order to obtain a web site's visitors geographical location. We first need to obtain a visitors IP address and then compare this address to a database of known (county specific) IP ranges. However, the accuracy and performace of many of the freely available SQL database or CSV based solutions tends to be extremely poor.PHP > Tips and Tutorials > DevelopmentOct 15, 2006Gregory Boshoff
Learn how to store a multidimensional array in a file and how to retrieve these data. With this method you can imitate a very basic database functionality.
This article examines how PHP handles passing of variables internally, as well as how this relates to memory usage. This information is very useful for any professional PHP developer as it shows how passing variables by reference will normally result in more (not less) memory being used.
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