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<?php /* Copyright (c) 2024 Freya Murphy */
/**
* Core functions needed everywhere
*/
abstract class Core {
private static ?DatabaseHelper $db = NULL;
/**
* Loads the database
*/
public static function db(): DatabaseHelper
{
if (!Component::$db)
Component::$db = new DatabaseHelper();
return Component::$db;
}
/**
* Gets the stamp for a asset path
* @param string $path
*/
public static function asset_stamp(string $path): int
{
if (ENVIRONMENT == 'devlopment')
return time();
$path = PHP_ROOT . '/' . $path;
return @filemtime($path);
}
/**
* Gets a full path url from a relative path
* @param string $path
* @param bool $timestamp
*/
public static function get_url(string $path, bool $timestamp = FALSE): string
{
$scheme = 'http';
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']))
$scheme = $_SERVER['HTTP_X_FORWARDED_PROTO'];
$host = $_SERVER['HTTP_HOST'];
if (ENVIRONMENT == 'production')
$host = lang('domain');
$base = lang('base_path');
$url = "{$scheme}://{$host}{$base}{$path}";
if ($timestamp) {
$time = Core::asset_stamp($path);
$url .= "?timestamp={$time}";
}
return $url;
}
/**
* Loads a js html link
* @param string $path - the path to the js file
*/
public static function link_js(string $path): string
{
$stamp = Core::asset_stamp("public/$path");
$href = Core::get_url("public/{$path}?timestamp={$stamp}");
return '<script src="'. $href .'"></script>';
}
/**
* Loads a css html link
* @param string $path - the path to the css file
*/
public static function link_css(string $path): string
{
$stamp = Core::asset_stamp("public/$path");
$href = Core::get_url("public/{$path}?timestamp={$stamp}");
return '<link rel="stylesheet" href="'. $href .'">';
}
/**
* Loads a css html link
* @param string $path - the path to the css file
*/
public static function embed_css(string $path): string
{
$file = PUBLIC_ROOT . '/' . $path;
if (file_exists($file)) {
$text = file_get_contents($file);
return "<style>{$text}</style>";
} else {
return "";
}
}
/**
* Formats a ISO date
* @param $iso_date the ISO date
*/
public static function format_date(string $iso_date): string
{
return date("Y-m-d D H:i", strtotime($iso_date)) . ' EST';
}
}
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