Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text are shown as follows: "One thing that should stand out is the use of a require_once directive at the very beginning of the file."

A block of code will be set as follows:

function _philquotes_get_quote() {
$sql = "SELECT nid FROM {node} ".
"WHERE status=1 AND type='quote' ORDER BY RAND() LIMIT 1";
$res = db_query($sql);
$item = db_fetch_object($res);
// Do something with the $item.
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items will be made bold:

function philquotes_block($op = 'list', $delta = 0, $edit = array()) {
switch ($op) {
case 'list':
$blocks[0]['info'] = t('Philosophical Quotes');
return $blocks;
case 'view': $item = _philquotes_get_quote(); if(!empty($item)) {

New terms and important words are introduced in a bold-type font. Words that you see on the screen, in menus or dialog boxes for example, appear in our text like this: "Clicking the Add content type tab will load the form used to create our new content type."