db->Quote($input);
}
function make_link($page, $query=null) {
global $config;
$base = $config->get_string('base_href');
if(is_null($query)) {
return "$base/$page";
}
else {
if(strpos($base, "?")) {
return "$base/$page&$query";
}
else {
return "$base/$page?$query";
}
}
}
function parse_shorthand_int($limit) {
if(is_numeric($limit)) {
return (int)$limit;
}
if(preg_match('/^([\d\.]+)([gmk])?b?$/i', "$limit", $m)) {
$value = $m[1];
if (isset($m[2])) {
switch(strtolower($m[2])) {
case 'g': $value *= 1024; # fallthrough
case 'm': $value *= 1024; # fallthrough
case 'k': $value *= 1024; break;
default: $value = -1;
}
}
return (int)$value;
} else {
return -1;
}
}
function to_shorthand_int($int) {
if($int >= pow(1024, 3)) {
return sprintf("%.1fGB", $int / pow(1024, 3));
}
else if($int >= pow(1024, 2)) {
return sprintf("%.1fMB", $int / pow(1024, 2));
}
else if($int >= 1024) {
return sprintf("%.1fKB", $int / 1024);
}
else {
return "$int";
}
}
function get_memory_limit() {
global $config;
// thumbnail generation requires lots of memory
$default_limit = 8*1024*1024;
$shimmie_limit = parse_shorthand_int($config->get_int("thumb_gd_mem_limit"));
if($shimmie_limit < 3*1024*1024) {
// we aren't going to fit, override
$shimmie_limit = $default_limit;
}
ini_set("memory_limit", $shimmie_limit);
$memory = parse_shorthand_int(ini_get("memory_limit"));
// changing of memory limit is disabled / failed
if($memory == -1) {
$memory = $default_limit;
}
return $memory;
}
function bbcode2html($text) {
$text = trim($text);
$text = html_escape($text);
$text = preg_replace("/\[b\](.*?)\[\/b\]/s", "\\1", $text);
$text = preg_replace("/\[i\](.*?)\[\/i\]/s", "\\1", $text);
$text = preg_replace("/\[u\](.*?)\[\/u\]/s", "\\1", $text);
$text = preg_replace("/\[\[(.*?)\]\]/s",
"\\1", $text);
$text = str_replace("\n", "\n
", $text);
return $text;
}
function strip_bbcode($text) {
$text = trim($text);
$text = html_escape($text);
$text = preg_replace("/\[b\](.*?)\[\/b\]/s", "\\1", $text);
$text = preg_replace("/\[i\](.*?)\[\/i\]/s", "\\1", $text);
$text = preg_replace("/\[u\](.*?)\[\/u\]/s", "\\1", $text);
$text = preg_replace("/\[\[(.*?)\]\]/s", "\\1", $text);
return $text;
}
function tag_explode($tags) {
if(is_string($tags)) {
$tags = explode(' ', $tags);
}
else if(is_array($tags)) {
// do nothing
}
else {
die("tag_explode only takes strings or arrays");
}
$tags = array_map("trim", $tags);
foreach($tags as $tag) {
if(is_string($tag) && strlen($tag) > 0) {
$tag_array[] = $tag;
}
}
if(count($tag_array) == 0) {
$tag_array = array("tagme");
}
return $tag_array;
}
function sql_quote($text) {
return '"'.sql_escape($text).'"';
}
function get_thumbnail_size($orig_width, $orig_height) {
global $config;
$max_width = $config->get_int('thumb_width');
$max_height = $config->get_int('thumb_height');
$xscale = ($max_height / $orig_height);
$yscale = ($max_width / $orig_width);
$scale = ($xscale < $yscale) ? $xscale : $yscale;
// if($scale >= 1) {
// return array($orig_width, $orig_height);
// }
// else {
return array($orig_width*$scale, $orig_height*$scale);
// }
}
function build_thumb($image, $query=null) {
global $config;
$h_view_link = make_link("post/view/{$image->id}", $query);
$h_tip = html_escape($image->get_tooltip());
$h_thumb_link = $image->get_thumb_link();
$tsize = get_thumbnail_size($image->width, $image->height);
return " | \n";
}
# $db is the connection object
function CountExecs($db, $sql, $inputarray) {
global $_execs;
# $fp = fopen("sql.log", "a");
# fwrite($fp, preg_replace('/\s+/msi', ' ', $sql)."\n");
# fclose($fp);
if (!is_array($inputarray)) $_execs++;
# handle 2-dimensional input arrays
else if (is_array(reset($inputarray))) $_execs += sizeof($inputarray);
else $_execs++;
# in PHP4.4 and PHP5, we need to return a value by reference
$null = null; return $null;
}
// internal things
$_event_listeners = array();
function add_event_listener($block, $pos=50) {
global $_event_listeners;
while(isset($_event_listeners[$pos])) {
$pos++;
}
$_event_listeners[$pos] = $block;
}
function send_event($event) {
global $_event_listeners;
foreach($_event_listeners as $listener) {
$listener->receive_event($event);
}
}
function _get_query_parts() {
if(isset($_GET["q"])) {
$path = $_GET["q"];
}
else if(isset($_SERVER["PATH_INFO"])) {
$path = $_SERVER["PATH_INFO"];
}
else {
$path = "index/1";
}
while(strlen($path) > 0 && $path[0] == '/') {
$path = substr($path, 1);
}
return split('/', $path);
}
function get_page_request() {
$args = _get_query_parts();
if(count($args) == 0) {
$page = "index";
$args = array();
}
else if(count($args) == 1) {
$page = (strlen($args[0]) > 0 ? $args[0] : "index");
$args = array();
}
else {
$page = $args[0];
$args = array_slice($args, 1);
}
return new PageRequestEvent($page, $args);
}
function get_user() {
global $database;
global $config;
$user = null;
if(isset($_COOKIE["shm_user"]) && isset($_COOKIE["shm_session"])) {
$tmp_user = $database->get_user_session($_COOKIE["shm_user"], $_COOKIE["shm_session"]);
if(!is_null($tmp_user) && $tmp_user->is_enabled()) {
$user = $tmp_user;
}
}
if(is_null($user)) {
$user = $database->get_user($config->get_int("anon_id"));
}
return $user;
}
?>