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PHP has the benefit of being one of the simpler and easier to understand types of scripting languages for web-development. Like most programming languages, operations on data in a PHP script are easy to point out. The key is to understand why those operations are being done. If you have ever looked at a disassembled executable that has been turned into code by a computer, it is completely obvious what operations are being done, but a computer cannot give you information as to why something is being done. In order to begin to understand a PHP script it is best to first know what it was designed to do. Starting from there you can look at variable names and then figure out how they relate to the task at hand. After that you should take a look at what operations are being done and ask yourself why they would be necessary in order to accomplish that task. Hopefully, the person who wrote the script will have added comments inside the script to explain questions you might have. Lastly, you must have a strong basis in the syntax of PHP and HTML. Without this, you will have trouble going through the process of search through a script’s code.