Here's a quick overview of what has changed between PH4 and PHP5. PHP5 for the most part is backwards compatible with PHP4, but there are a couple key changes that might break

Learn how to use the different file functions of PHP. Review basic file functions, such as fopen, fclose, and feof, learn reading functions, such as fgets, fgetss, and fscanf. And discover functions that process entire files in one or two lines of co (...)