The following is a compendium of functions, actions, and filters referenced within this book.
There are over 700 functions built into PHP. The following are seven that we used, with examples.
string dirname( string $path);
Returns parent directory's path. Often this is used to determine the path to the current script.
print dirname(__FILE__); // prints something like '/users/me'
string file_get_contents( string $filename [, bool $use_include_path = false [, resource $context [, int $offset = -1 [, int $maxlen ]]]] )
Reads an entire file into a string. This is a useful way to read static, non-PHP files. It can even work for downloading remote files, but it's better ...