and

heading if (!isset($TITLE)) { $TITLE = 'Default Page Title'; } // allow user to set independently of <h1>; use $TITLE by default if (!isset($TITLETAG)) { $TITLETAG = $TITLE; } // page contact, email address if (!isset($CONTACT)) { $CONTACT = null; } if (!isset($CONTACT_URL)) { $CONTACT_URL = '/contactus/?to={CONTACT}'; } if (!isset($COOPERATORS)) { $COOPERATORS = false; } // content for head element of page, like <meta> or <link> if (!isset($HEAD)) { $HEAD = false; } // content for end of page, like <script> if (!isset($FOOT)) { $FOOT = false; } // content for side navigation if (!isset($NAVIGATION)) { $NAVIGATION = false; } // social links for sharing page if (!isset($SOCIAL)) { // NOTE: configured links do not need to encode & as & $SOCIAL = array( array( 'name' => 'Facebook', 'url' => 'https://www.facebook.com/sharer.php?u={URL}', 'class' => 'facebook' ), array( 'name' => 'Twitter', 'url' => 'https://twitter.com/intent/tweet?url={URL}&text=USGS%20%7C%20{TITLE}', 'class' => 'twitter' ), array( 'name' => 'Google', 'url' => 'https://plusone.google.com/_/+1/confirm?url={URL}', 'class' => 'google-plus' ), array( 'name' => 'Email', 'url' => 'mailto:?to=&subject={TITLE}&body={URL}', 'class' => 'email' ) ); } // site url (without protocol) for "search this site" if (!isset($SITE_URL)) { // an empty value implies search "All USGS Sites" $SITE_URL = ''; } // site navigation markup if (!isset($SITE_SITENAV)) { $SITE_SITENAV = false; } // common navigation markup if (!isset($SITE_COMMONNAV)) { $SITE_COMMONNAV = false; } /////////////////////////////////////////////////////////////////////////////// // Auto Generated Content // process before site configuration, in case site needs to modify if ($HEAD === true) { $file = findFileInPath('_head.inc.php'); if (is_file($file)) { ob_start(); include $file; $HEAD = ob_get_clean(); } else { $HEAD = null; } } if ($FOOT === true) { $file = findFileInPath('_foot.inc.php'); if (is_file($file)) { ob_start(); include $file; $FOOT = ob_get_clean(); } else { $FOOT = null; } } if ($NAVIGATION === true) { $file = findFileInPath('_navigation.inc.php'); if (is_file($file)) { ob_start(); include $file; $NAVIGATION = ob_get_clean(); } else { $NAVIGATION = null; } } /////////////////////////////////////////////////////////////////////////////// // Site Configuration // load site configuration, or trigger_error if (isset($_SERVER['DOCUMENT_ROOT'])) { $site_config = $_SERVER['DOCUMENT_ROOT'] . '/_config.inc.php'; if (is_file($site_config)) { include_once($site_config); } else { trigger_error('expected site configuration at "' . $site_config . '"'); } } else { trigger_error('DOCUMENT_ROOT is not set, cannot find site configuration'); } /////////////////////////////////////////////////////////////////////////////// // Recheck Auto Generated Content // in case site configuration (re)enables these if ($HEAD === true) { $file = findFileInPath('_head.inc.php'); if (is_file($file)) { ob_start(); include $file; $HEAD = ob_get_clean(); } else { $HEAD = null; } } if ($FOOT === true) { $file = findFileInPath('_foot.inc.php'); if (is_file($file)) { ob_start(); include $file; $FOOT = ob_get_clean(); } else { $FOOT = null; } } if ($NAVIGATION === true) { $file = findFileInPath('_navigation.inc.php'); if (is_file($file)) { ob_start(); include $file; $NAVIGATION = ob_get_clean(); } else { $NAVIGATION = null; } }