source: trunk/xpressme_integration_kit/wp-content/plugins/xpressme/include/functions_for_wp20.php @ 329

<?php
// wp_login override for wp2.0
if ( !function_exists('wp_login') ) :
function wp_login($username, $password, $already_md5 = false) {
        global $wpdb, $error;


        if(is_object($GLOBALS["xoopsModule"]) && WP_BLOG_DIRNAME == $GLOBALS["xoopsModule"]->getVar("dirname")){
                if(!is_object($GLOBALS["xoopsUser"])){
                        wp_clearcookie();
                        return false;
                }
        }                       

        $username = sanitize_user($username);

        if ( '' == $username )
                return false;

        if ( '' == $password ) {
                $error = __('<strong>ERROR</strong>: The password field is empty.');
                return false;
        }

        $login = get_userdatabylogin($username);
        //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");

        if (!$login) {
                $error = __('<strong>ERROR</strong>: Invalid username.');
                return false;
        } else {
                if ($login->user_login == $username) {
                                if ($login->user_pass == $password) return true;
                                if ($login->user_pass == md5($password)) return true;
                }

                $error = __('<strong>ERROR</strong>: Incorrect password.');
                $pwd = '';
                return false;
        }
}
endif;

if ( !function_exists('wp_sanitize_redirect') ) :
/**
 * Sanitizes a URL for use in a redirect.
 *
 * @since 2.3
 *
 * @return string redirect-sanitized URL
 **/
function wp_sanitize_redirect($location) {
        $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
        $location = wp_kses_no_null($location);

        // remove %0d and %0a from location
        $strip = array('%0d', '%0a');
        $found = true;
        while($found) {
                $found = false;
                foreach( (array) $strip as $val ) {
                        while(strpos($location, $val) !== false) {
                                $found = true;
                                $location = str_replace($val, '', $location);
                        }
                }
        }
        return $location;
}
endif;


// Added WP2.7 separate_comments()
function &separate_comments(&$comments) {
        $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
        $count = count($comments);
        for ( $i = 0; $i < $count; $i++ ) {
                $type = $comments[$i]->comment_type;
                if ( empty($type) )
                        $type = 'comment';
                $comments_by_type[$type][] = &$comments[$i];
                if ( 'trackback' == $type || 'pingback' == $type )
                        $comments_by_type['pings'][] = &$comments[$i];
        }

        return $comments_by_type;
}

// Added WP2.7 get_comments()
function get_comments( $args = '' ) {
        global $wpdb;

        $defaults = array('status' => '', 'orderby' => 'comment_date_gmt', 'order' => 'DESC', 'number' => '', 'offset' => '', 'post_id' => 0);

        $args = wp_parse_args( $args, $defaults );
        extract( $args, EXTR_SKIP );

        // $args can be whatever, only use the args defined in defaults to compute the key
        $key = md5( serialize( compact(array_keys($defaults)) )  );
        $last_changed = wp_cache_get('last_changed', 'comment');
        if ( !$last_changed ) {
                $last_changed = time();
                wp_cache_set('last_changed', $last_changed, 'comment');
        }
        $cache_key = "get_comments:$key:$last_changed";

        if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
                return $cache;
        }

        $post_id = absint($post_id);

        if ( 'hold' == $status )
                $approved = "comment_approved = '0'";
        elseif ( 'approve' == $status )
                $approved = "comment_approved = '1'";
        elseif ( 'spam' == $status )
                $approved = "comment_approved = 'spam'";
        else
                $approved = "( comment_approved = '0' OR comment_approved = '1' )";

        $order = ( 'ASC' == $order ) ? 'ASC' : 'DESC';

        $orderby = 'comment_date_gmt';  // Hard code for now

        $number = absint($number);
        $offset = absint($offset);

        if ( !empty($number) ) {
                if ( $offset )
                        $number = 'LIMIT ' . $offset . ',' . $number;
                else
                        $number = 'LIMIT ' . $number;

        } else {
                $number = '';
        }

        if ( ! empty($post_id) )
                $post_where = "comment_post_ID = $post_id AND" ;
        else
                $post_where = '';

        $comments = $wpdb->get_results( "SELECT * FROM $wpdb->comments WHERE $post_where $approved ORDER BY $orderby $order $number" );
        wp_cache_add( $cache_key, $comments, 'comment' );

        return $comments;
}

// Added WP2.2 wp_parse_args()
function wp_parse_args( $args, $defaults = '' ) {
        if ( is_object( $args ) )
                $r = get_object_vars( $args );
        elseif ( is_array( $args ) )
                $r =& $args;
        else
                wp_parse_str( $args, $r );

        if ( is_array( $defaults ) )
                return array_merge( $defaults, $r );
        return $r;
}

// Added WP2.2.1 wp_parse_str()
function wp_parse_str( $string, &$array ) {
        parse_str( $string, $array );
        if ( get_magic_quotes_gpc() )
                $array = stripslashes_deep( $array );
        $array = apply_filters( 'wp_parse_str', $array );
}
// Added WP2.5 absint()
function absint( $maybeint ) {
        return abs( intval( $maybeint ) );
}

// Added WP2.7 absint()
function locate_template($template_names, $load = false) {
        if (!is_array($template_names))
                return '';

        $located = '';
        foreach($template_names as $template_name) {
                if ( file_exists(STYLESHEETPATH . '/' . $template_name)) {
                        $located = STYLESHEETPATH . '/' . $template_name;
                        break;
                } else if ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
                        $located = TEMPLATEPATH . '/' . $template_name;
                        break;
                }
        }

        if ($load && '' != $located)
                load_template($located);

        return $located;
}

// Added WP2.5 translate_with_context()
function translate_with_context( $text, $domain = 'default' ) {
        return before_last_bar(translate( $text, $domain ) );

}

// Added WP2.2 translate()
function translate($text, $domain = 'default') {
        global $l10n;

        if (isset($l10n[$domain]))
                return apply_filters('gettext', $l10n[$domain]->translate($text), $text, $domain);
        else
                return apply_filters('gettext', $text, $text, $domain);
}

// Added WP2.2 translate_with_context()
function before_last_bar( $string ) {
        $last_bar = strrpos( $string, '|' );
        if ( false == $last_bar )
                return $string;
        else
                return substr( $string, 0, $last_bar );
}

// Added WP2.7 post_password_required()
function post_password_required( $post = null ) {
        $post = get_post($post);

        if ( empty($post->post_password) )
                return false;

        if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) )
                return true;

        if ( $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password )
                return true;

        return false;
}
// Added WP2.7 comment_form_title()
function comment_form_title( $noreplytext = 'Leave a Reply', $replytext = 'Leave a Reply to %s', $linktoparent = TRUE ) {
        global $comment;

        $replytoid = isset($_GET['replytocom']) ? (int) $_GET['replytocom'] : 0;

        if ( 0 == $replytoid )
                echo $noreplytext;
        else {
                $comment = get_comment($replytoid);
                $author = ( $linktoparent ) ? '<a href="#comment-' . get_comment_ID() . '">' . get_comment_author() . '</a>' : get_comment_author();
                printf( $replytext, $author );
        }
}

// ADD WP 2.1.0
function the_modified_date($d = '') {
        echo apply_filters('the_modified_date', get_the_modified_date($d), $d);
}

// ADD WP 2.1.0
function get_the_modified_date($d = '') {
        if ( '' == $d )
                $the_time = get_post_modified_time(get_option('date_format'));
        else
                $the_time = get_post_modified_time($d);
        return apply_filters('get_the_modified_date', $the_time, $d);
}

/**
 * @ignore
 */
function _c() {}


?>