db->Quote($input);
}
/**
* Some functions require a callback function for escaping,
* but we might not want to alter the data
*
* @retval string
*/
function no_escape($input) {
return $input;
}
/**
* Turn a human readable filesize into an integer, eg 1KB -> 1024
*
* @retval int
*/
function parse_shorthand_int($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;
}
}
/**
* Turn an integer into a human readable filesize, eg 1024 -> 1KB
*
* @retval string
*/
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";
}
}
/**
* Turn a date into a time, a date, an "X minutes ago...", etc
*
* @retval string
*/
function autodate($date, $html=true) {
global $config;
$format = $config->get_string('autodate_format', "F j, Y");
$seconds = time() - strtotime($date);
$ago = seconds_to_time($seconds) . " ago";
$on = "on " . date($format, strtotime($date));
if($config->get_bool('use_autodate', true)) {
return ($html ? "$ago" : $ago);
}
else {
return $on;
}
}
/**
* Turn a number of seconds into a vague human timespan, eg 142 -> "2 minutes"
*
* @retval string
*/
function seconds_to_time($seconds) {
if($seconds<60) return $seconds . " second" . plural($seconds); $seconds = round($seconds/60);
if($seconds<60) return $seconds . " minute" . plural($seconds); $seconds = round($seconds/60);
if($seconds<24) return $seconds . " hour" . plural($seconds); $seconds = round($seconds/24);
if($seconds<7) return $seconds . " day" . plural($seconds); $seconds = round($seconds/7);
if($seconds<4) return $seconds . " week" . plural($seconds); $seconds = round($seconds/4);
if($seconds<12) return $seconds . " month" . plural($seconds); $seconds = round($seconds/12);
return $seconds . " year" . plural($seconds);
}
/**
* Return a pluraliser if necessary
*
* @retval string
*/
function plural($num, $single_form="", $plural_form="s") {
return ($num == 1) ? $single_form : $plural_form;
}
/**
* Different databases have different ways to represent booleans; this
* will try and standardise them
*/
function undb_bool($val) {
if($val === true || $val == 'Y' || $val == 'y' || $val == 'T' || $val == 't' || $val === 1) return true;
if($val === false || $val == 'N' || $val == 'n' || $val == 'F' || $val == 'f' || $val === 0) return false;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* HTML Generation *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/**
* Figure out the correct way to link to a page, taking into account
* things like the nice URLs setting.
*
* eg make_link("post/list") becomes "/v2/index.php?q=post/list"
*
* @retval string
*/
function make_link($page=null, $query=null) {
global $config;
if(is_null($page)) $page = $config->get_string('main_page');
if($config->get_bool('nice_urls', false)) {
#$full = "http://" . $_SERVER["SERVER_NAME"] . $_SERVER["PHP_SELF"];
$full = $_SERVER["PHP_SELF"];
$base = str_replace("/index.php", "", $full);
}
else {
$base = "./index.php?q=";
}
if(is_null($query)) {
return str_replace("//", "/", "$base/$page");
}
else {
if(strpos($base, "?")) {
return "$base/$page&$query";
}
else if(strpos($query, "#") === 0) {
return "$base/$page$query";
}
else {
return "$base/$page?$query";
}
}
}
/**
* Turn a relative link into an absolute one, including hostname
*
* @retval string
*/
function make_http($link) {
if(strpos($link, "ttp://") > 0) return $link;
if(strlen($link) > 0 && $link[0] != '/') $link = get_base_href().'/'.$link;
$link = "http://".$_SERVER["HTTP_HOST"].$link;
$link = str_replace("/./", "/", $link);
return $link;
}
/**
* Make a form tag with relevant auth token and stuff
*
* @retval string
*/
function make_form($target, $method="POST", $multipart=False) {
global $user;
$auth = $user->get_auth_html();
$extra = "";
if($multipart) {
$extra .= " enctype='multipart/form-data'";
}
return "