WinCacheGrind is a small application which is in form of a viewer. This can be used in order to view the cachegrind.out files which are generated using Xdebug. This tool is similar to the JProfiler tool used by java developers for profiling and analyzing the performance of their java applications. The tool used by PHP for the same purpose is called Xdebug along with WinCacheGrind. Where Xdebug is used for recording calls to PHP scripts, the WinCacheGrind is used to view and evaluate the data in the next stages. The main advantage of the WinCacheGrind application is that it is an Open-Source project. This means that not only the software is free for use but also provides its source code. The installation procedure of the software is very simple and the Interface is also very intuitive and user-friendly. One of the main characteristics of the WinCacheGrind software is that it has the ability to analyze the script execution as a whole, and see which function is using the largest portion of the time. It can also step down further on that particular function in order to analyze its information. This tool is a must have for professional PHP developers in order to fine-tune their websites and applications to reduce the performance bottlenecks.
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