Configuring error display for a web browser, a web server error log,
or both.
Configuring the PHP interpreter's error-reporting
level.
Getting the benefits of a PHP-aware text editor.
Deciphering parse error messages.
Finding and fixing parse errors.
Printing debugging information with print,
var_dump( ) and error_log( ).
Sending var_dump( ) output to the error log with
output buffering functions.
Writing a custom database error-handling function.
