';
}
function css($filename)
{
return '';
}
function template($name, array $args = array())
{
$tpl = new \Core\Template;
return $tpl->load($name, $args);
}
function is_current_user($user_id)
{
return $_SESSION['user']['id'] == $user_id;
}
function is_admin()
{
return $_SESSION['user']['is_admin'] == 1;
}
function get_username()
{
return $_SESSION['user']['name'] ?: $_SESSION['user']['username'];
}
function get_user_id()
{
return $_SESSION['user']['id'];
}
function parse($text)
{
$text = markdown($text);
$text = preg_replace('!#(\d+)!i', '$0', $text);
return $text;
}
function markdown($text)
{
require_once __DIR__.'/../vendor/Michelf/MarkdownExtra.inc.php';
$parser = new \Michelf\MarkdownExtra;
$parser->no_markup = true;
$parser->no_entities = true;
return $parser->transform($text);
}
function get_current_base_url()
{
$url = isset($_SERVER['HTTPS']) ? 'https://' : 'http://';
$url .= $_SERVER['SERVER_NAME'];
$url .= $_SERVER['SERVER_PORT'] == 80 || $_SERVER['SERVER_PORT'] == 443 ? '' : ':'.$_SERVER['SERVER_PORT'];
$url .= dirname($_SERVER['PHP_SELF']) !== '/' ? dirname($_SERVER['PHP_SELF']).'/' : '/';
return $url;
}
function escape($value)
{
return htmlspecialchars($value, ENT_QUOTES, 'UTF-8', false);
}
function flash($html)
{
$data = '';
if (isset($_SESSION['flash_message'])) {
$data = sprintf($html, escape($_SESSION['flash_message']));
unset($_SESSION['flash_message']);
}
return $data;
}
function flash_error($html)
{
$data = '';
if (isset($_SESSION['flash_error_message'])) {
$data = sprintf($html, escape($_SESSION['flash_error_message']));
unset($_SESSION['flash_error_message']);
}
return $data;
}
function format_bytes($size, $precision = 2)
{
$base = log($size) / log(1024);
$suffixes = array('', 'k', 'M', 'G', 'T');
return round(pow(1024, $base - floor($base)), $precision).$suffixes[(int)floor($base)];
}
function get_host_from_url($url)
{
return escape(parse_url($url, PHP_URL_HOST)) ?: $url;
}
function summary($value, $max_length = 85, $end = '[...]')
{
$length = strlen($value);
if ($length > $max_length) {
return substr($value, 0, $max_length).' '.$end;
}
return $value;
}
function contains($haystack, $needle)
{
return strpos($haystack, $needle) !== false;
}
function in_list($id, array $listing, $default_value = '?')
{
if (isset($listing[$id])) {
return escape($listing[$id]);
}
return $default_value;
}
function error_class(array $errors, $name)
{
return ! isset($errors[$name]) ? '' : ' form-error';
}
function error_list(array $errors, $name)
{
$html = '';
if (isset($errors[$name])) {
$html .= '';
}
return $html;
}
function form_value($values, $name)
{
if (isset($values->$name)) {
return 'value="'.escape($values->$name).'"';
}
return isset($values[$name]) ? 'value="'.escape($values[$name]).'"' : '';
}
function form_csrf()
{
return '';
}
function form_hidden($name, $values = array())
{
return '';
}
function form_default_select($name, array $options, $values = array(), array $errors = array(), $class = '')
{
$options = array('' => '?') + $options;
return form_select($name, $options, $values, $errors, $class);
}
function form_select($name, array $options, $values = array(), array $errors = array(), $class = '')
{
$html = '';
$html .= error_list($errors, $name);
return $html;
}
function form_radios($name, array $options, array $values = array())
{
$html = '';
foreach ($options as $value => $label) {
$html .= form_radio($name, $label, $value, isset($values[$name]) && $values[$name] == $value);
}
return $html;
}
function form_radio($name, $label, $value, $selected = false, $class = '')
{
return '';
}
function form_checkbox($name, $label, $value, $checked = false, $class = '')
{
return '';
}
function form_label($label, $name, array $attributes = array())
{
return '';
}
function form_textarea($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
$class .= error_class($errors, $name);
$html = '';
if (in_array('required', $attributes)) $html .= '*';
$html .= error_list($errors, $name);
return $html;
}
function form_input($type, $name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
$class .= error_class($errors, $name);
$html = '';
if (in_array('required', $attributes)) $html .= '*';
$html .= error_list($errors, $name);
return $html;
}
function form_text($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('text', $name, $values, $errors, $attributes, $class);
}
function form_password($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('password', $name, $values, $errors, $attributes, $class);
}
function form_email($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('email', $name, $values, $errors, $attributes, $class);
}
function form_date($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('date', $name, $values, $errors, $attributes, $class);
}
function form_number($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('number', $name, $values, $errors, $attributes, $class);
}
function form_numeric($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
{
return form_input('text', $name, $values, $errors, $attributes, $class.' form-numeric');
}