The right way to read files with PHP

"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 code."

http://www-128.ibm.com/developerworks/library/os-php-readfiles/index.html