root/trunk/plog-load-config.php

<?php

/*

This file will load all the configuration elements from the database
and place them into a global associative array called $config

SVN keyword tags:
$LastChangedDate$ (Date)
$LastChangedRevision$ (Revision)
$LastChangedBy$ (Author)
$HeadURL$ (URL)
$Id$

Note that SVN keywords are only propset enabled for plog-load-config.php!
Variables enabled: LastChangedDate LastChangedRevision LastChangedBy HeadURL Id
*/

$config = array();
$thumbnail_config = array();

require_once(dirname(__FILE__)."/plog-globals.php");
if (is_file(PLOGGER_DIR."plog-config.php")){
    require_once(PLOGGER_DIR."plog-config.php");
} else if (is_file(PLOGGER_DIR."plog-config-sample.php")) {
    require_once(PLOGGER_DIR."plog-config-sample.php");
} else {
    die("Could not find any config file!");
}
require_once(PLOGGER_DIR."plog-includes/plog-functions.php");

if (defined('PLOGGER_DEBUG') && PLOGGER_DEBUG == '1') {
    $GLOBALS['query_count'] = 0;
    $GLOBALS['queries'] = array();
    $plog_start_time = plog_timer();
}

connect_db();

$query = "SELECT * FROM `".TABLE_PREFIX."config`";
$result = run_query($query);

if (mysql_num_rows($result) == 0){
    die("No config information in the database.");
}

$config = mysql_fetch_assoc($result);

$config['basedir'] = PLOGGER_DIR;

$url_parts = parse_url($_SERVER['REQUEST_URI']);
$config['baseurl'] = "http://".$_SERVER['HTTP_HOST'].$url_parts['path'];

// Try to figure out whether we are embedded (for example running from Wordpress)
// Using $_SERVER['SCRIPT_FILENAME'] should produce the same result as __FILE__ if inclusion script in same location as Plogger
// in some environments (virtual hosts) $_SERVER['SCRIPT_FILENAME'] is not the correct absolute path, but realpath() seems to clear it up
if (!defined('PLOGGER_EMBEDDED') || PLOGGER_EMBEDDED=='') {
    if (dirname(__FILE__) != dirname(realpath($_SERVER['SCRIPT_FILENAME'])) && strpos($_SERVER['SCRIPT_FILENAME'],"plog-admin") === false) {
        $config['embedded'] = 1;
        // disable our own cruft-free urls, because the URL has already been processed by WordPress
        $config['use_mod_rewrite'] = 0;
        trace('Plogger is embedded');
        trace('dirname: ' . dirname(__FILE__));
        trace('$_SERVER[\'SCRIPT_FILENAME\']' .': '. $_SERVER['SCRIPT_FILENAME']);
        trace('realpath($_SERVER[\'SCRIPT_FILENAME\'])' .': '. realpath($_SERVER['SCRIPT_FILENAME']));
    } else {
        $config['embedded'] = 0;
        // if mod_rewrite is on, make sure to remove the file basename
        if ($config['use_mod_rewrite'] == 1) {
            $config['baseurl'] = "http://".$_SERVER['HTTP_HOST']. substr($_SERVER['PHP_SELF'],0,strrpos($_SERVER['PHP_SELF'],"/")) . "/";
        }
    }
} else{
    // Set PLOGGER_EMBEDDED to 1 in config file to overrule automatic test
    if (PLOGGER_EMBEDDED == '1') {
        $config['embedded'] = 1;
        $config['use_mod_rewrite'] = 0;
        trace('Plogger is embedded');
        // Set PLOGGER_EMBEDDED to 0 in case Plogger inclusion in different folder location, but does not already use mod_rewrite paths
    } else {
        $config['embedded'] = 0;
        // if mod_rewrite is on, make sure to remove the file basename
        if ($config['use_mod_rewrite'] == 1) {
            $config['baseurl'] = "http://".$_SERVER['HTTP_HOST']. substr($_SERVER['PHP_SELF'],0,strrpos($_SERVER['PHP_SELF'],"/")) . "/";
        }
    }
}

// remove plog-admin/ from the end, if present .. is there a better way to determine the full url?
// had to update this for new use of links without mod_rewrite turned on (only affects the View gallery greybox in Admin)
if (strpos($config['baseurl'], 'plog-admin/')) {
    $config['baseurl'] = substr($config['baseurl'], 0, strpos($config['baseurl'], 'plog-admin/'));
}

$config['theme_url'] = $config['gallery_url']."plog-content/themes/".basename($config['theme_dir'])."/";
$config['charset'] = 'utf-8';

// Fill $revision with latest changeset number from SVN
$revision = '$LastChangedRevision$'; // This string is automatically changed by SVN version control
$revision = substr($revision, strpos($revision, ' ')+1, strrpos($revision, ' ')-strpos($revision, ' ')-1);

$config['version'] = 'Version 1.0Beta3, Rev ' . $revision;

// charset set with HTTP headers has higher priority than that set in HTML head section
// since some servers set their own charset for PHP files, this should take care of it
// and hopefully doesn't break anything

if (!headers_sent()){
    header('Content-Type: text/html; charset=' . $config['charset']);
}

$query = "SELECT * FROM `".TABLE_PREFIX."thumbnail_config`";
$result = run_query($query);

if (mysql_num_rows($result) == 0){
    die("No thumbnail config information in the database.");
}

$prefix_arr = array(1 => '', 2 => 'lrg-', 3 => 'rss-', 4 => 'tn-');

while($row = mysql_fetch_assoc($result)) {
    $thumbnail_config[$row['id']] = array(
    'filename_prefix' => $prefix_arr[$row['id']],
    'size' => $row['max_size'],
    'timestamp' => $row['update_timestamp'],
    'disabled' => $row['disabled']);
}

// need to add the new theme preview thumbnail array
$thumbnail_config[5] = array(
    'filename_prefix' => 'theme-',
    'size' => 150,
    'timestamp' => 0,
    'disabled' => 0);

// debugging functions
function display_uservariables() {
    foreach ($config as $keys => $values) {
        echo "$keys = $values<br />";
    }
}

function trace($output, $echo = true) {
    if (defined('PLOGGER_DEBUG')) {
        if (PLOGGER_DEBUG == '1') {
            //echo('*'.vname($output).':'.$output.'*');
            if ($echo === false) {
                return '*'.$output.'*<br />';
            } else {
                echo '*'.$output.'*<br />';
            }
        }
    }
}

function vname(&$var, $scope=false, $prefix='unique', $suffix='value') {
    if ($scope) $vals = $scope;
    else $vals = $GLOBALS;
    $old = $var;
    $var = $new = $prefix.rand().$suffix;
    $vname = FALSE;
    foreach($vals as $key => $val) {
        if($val === $new) $vname = $key;
    }
    $var = $old;
    return $vname;
}

if (!isset($_SESSION['plogger_sortby'])){
    $_SESSION['plogger_sortby'] = $config['default_sortby'];
}

if (!isset($_SESSION['plogger_sortdir'])){
    $_SESSION['plogger_sortdir'] = $config['default_sortdir'];
}

if (!isset($_SESSION['plogger_details'])){
    $_SESSION['plogger_details'] = 0;

}

?>