source: trunk/bookmarks/functions.inc.php @ 814

<?php
// UTF-8 functions
require_once(dirname(__FILE__) .'/includes/utf8.php');

// Translation
require_once(dirname(__FILE__) .'/includes/php-gettext/gettext.inc');
$domain = 'messages';
T_setlocale(LC_MESSAGES, $locale);
T_bindtextdomain($domain, dirname(__FILE__) .'/locales');
T_bind_textdomain_codeset($domain, 'UTF-8');
T_textdomain($domain);

// Converts tags:
// - direction = out: convert spaces to underscores;
// - direction = in: convert underscores to spaces.
function convertTag($tag, $direction = 'out') {
    if ($direction == 'out') {
        $tag = str_replace(' ', '_', $tag);
    } else {
        $tag = str_replace('_', ' ', $tag);
    }
    return $tag;
}

function filter($data, $type = NULL) {
    if (is_string($data)) {
        $data = trim($data);
        $data = stripslashes($data);
        switch (strtolower($type)) {
            case 'url':
                $data = rawurlencode($data);
                break;
            default:
                $data = htmlspecialchars($data);
                break;
        }
    } else if (is_array($data)) {
        foreach(array_keys($data) as $key) {
            $row =& $data[$key];
            $row = filter($row, $type);
        }
    }
    return $data;
}

/**
 * Returns a string of text noramlised for SEO friendly URLs
 * 
 * @return string
 */
function NormaliseForSeo( $sText ){
        return  trim( preg_replace( '/(_+)/'
                                  , '_'
                                  , preg_replace( '/(\s+|_+|\-+|[^A-Za-z0-9])/'
                                                , '_'
                                                , $sText ) )
                    , '_' );
}

function getPerPageCount() {
    global $defaultPerPage;
    return $defaultPerPage;
}

function getSortStyles(){
    $sPopularitySortStyle  = '';
    $sDateSortStyle        = '';
    $sTitleSortStyle       = '';
        $sUrlSortStyle         = '';
        $sHighlightedSortStyle = ' style="background-color:white;padding:3px;"';
        $aRequestedSort = explode( '_', getSortOrder() );
        if( count( $aRequestedSort ) == 2 ){
                switch( strtolower( $aRequestedSort[0] ) ){
                        case 'date':
                                $sDateSortStyle = $sHighlightedSortStyle;
                                break;
                        case 'title':
                                $sTitleSortStyle = $sHighlightedSortStyle;
                                break;
                        case 'url':
                                $sUrlSortStyle = $sHighlightedSortStyle;
                                break;
                        default:
                                $sPopularitySortStyle = $sHighlightedSortStyle;
                }
        }else{
                $sPopularitySortStyle = $sHighlightedSortStyle;
        }
        return array( 'popularity' => $sPopularitySortStyle
                    , 'date'       => $sDateSortStyle
                    , 'title'      => $sTitleSortStyle
                    , 'url'        => $sUrlSortStyle );
}

function getSortOrder($override = NULL) {
    global $defaultOrderBy;

    if (isset($_GET['sort'])) {
        return $_GET['sort'];
    } else if (isset($override)) {
        return $override;
    } else {
        return $defaultOrderBy;
    }
}

function multi_array_search($needle, $haystack) {
    if (is_array($haystack)) {
        foreach(array_keys($haystack) as $key) {
            $value =& $haystack[$key];
            $result = multi_array_search($needle, $value);
            if (is_array($result)) {
                $return = $result;
                array_unshift($return, $key);
                return $return;
            } elseif ($result == true) {
                $return[] = $key;
                return $return;
            }
        }
        return false;
    } else {
        if ($needle === $haystack) {
            return true;
        } else {
            return false;
        }
    }
}

function createURL($page = '', $ending = '') {
    global $cleanurls, $root;
    if (!$cleanurls && $page != '') {
        $page .= '.php';
    }
    return $root . $page .'/'. $ending;
}

function message_die($msg_code, $msg_text = '', $msg_title = '', $err_line = '', $err_file = '', $sql = '', $db = NULL) {
    if(defined('HAS_DIED'))
        die(T_('message_die() was called multiple times.'));
    define('HAS_DIED', 1);
        
        $sql_store = $sql;
        
        // Get SQL error if we are debugging. Do this as soon as possible to prevent 
        // subsequent queries from overwriting the status of sql_error()
        if (DEBUG && ($msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR)) {
                $sql_error = empty($db) ? '' : $db->sql_error();
                $debug_text = '';
                
                if ($sql_error['message'] != '')
                        $debug_text .= '<br /><br />'. T_('SQL Error') .' : '. $sql_error['code'] .' '. $sql_error['message'];

                if ($sql_store != '')
                        $debug_text .= '<br /><br />'. $sql_store;

                if ($err_line != '' && $err_file != '')
                        $debug_text .= '</br /><br />'. T_('Line') .' : '. $err_line .'<br />'. T_('File') .' :'. $err_file;
        }

        switch($msg_code) {
                case GENERAL_MESSAGE:
                        if ($msg_title == '')
                                $msg_title = T_('Information');
                        break;

                case CRITICAL_MESSAGE:
                        if ($msg_title == '')
                                $msg_title = T_('Critical Information');
                        break;

                case GENERAL_ERROR:
                        if ($msg_text == '')
                                $msg_text = T_('An error occured');

                        if ($msg_title == '')
                                $msg_title = T_('General Error');
                        break;

                case CRITICAL_ERROR:
                        // Critical errors mean we cannot rely on _ANY_ DB information being
                        // available so we're going to dump out a simple echo'd statement

                        if ($msg_text == '')
                                $msg_text = T_('An critical error occured');

                        if ($msg_title == '')
                                $msg_title = T_('Critical Error');
                        break;
        }

        // Add on DEBUG info if we've enabled debug mode and this is an error. This
        // prevents debug info being output for general messages should DEBUG be
        // set TRUE by accident (preventing confusion for the end user!)
        if (DEBUG && ($msg_code == GENERAL_ERROR || $msg_code == CRITICAL_ERROR)) {
                if ($debug_text != ''){
                        $msg_text = $msg_text 
                                  . '<br /><br /><strong>' 
                                  . T_('DEBUG MODE') 
                                  . '</strong>' 
                                  . $debug_text 
                                  . '<br /><br /><b>Backtrace:</b><br />' 
                                  . backtrace();
                }
        }

        echo "<html>\n<body>\n". $msg_title ."\n<br /><br />\n". $msg_text ."</body>\n</html>";
        exit;
}
?>