User`s guide

Procedure
1 (Optional) Edit the config.php file to provide common parameter values.
When you run any example program, you can override its use of these values by supplying them on the
command line.
2 Run the example in a shell window using a command of the following form, where example is the name
of the example program:
php example .php
When you run an example program with no parameters, it displays a usage message and exits.
Chapter 4 About the Example Programs
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