http://phpflow.com - PHP File functionsA PHP file function is just simply a name that we assign to a particular wedge of code which can be executed whenever required. For beginners and newbie PHP Website Development aspirants, it is not a giant issue because when you will understand this, then just enjoy playing with file function which will save your lots of precious time. Thus always prefer to write the code which is more readable. Just go through below mentioned important points which will aid you to learn working with file functions: