Remove CoreFunctions.php file, as PHPStan no longer complains about having all helper functions in Core.php

lib/Core.php

@@ -2,14 +2,39 @@
 // Composer auto-loads the lib/ directory in composer.json
 require __DIR__ . '/../vendor/autoload.php';
 
+use function Safe\error_log;
 use function Safe\mb_internal_encoding;
 use function Safe\mb_http_output;
-use function Safe\error_log;
+use function Safe\ob_end_clean;
+use function Safe\ob_start;
 
 mb_internal_encoding('UTF-8');
 mb_http_output('UTF-8');
 date_default_timezone_set('UTC');
 
+// Convenience alias of var_dump.
+function vd(mixed $var): void{
+	var_dump($var);
+}
+
+// var_dump($var) then die().
+function vdd(mixed $var): void{
+	var_dump($var);
+	die();
+}
+
+// var_dump into a string.
+function vds(mixed $var): string{
+	ob_start();
+	var_dump($var);
+	$str = ob_get_contents();
+	if($str === false){
+		$str = '';
+	}
+	ob_end_clean();
+	return $str;
+}
+
 // Custom error handler to output more details about the specific Apache request that caused an exception.
 if(SITE_STATUS == SITE_STATUS_LIVE){
 	set_exception_handler(function(Throwable $ex): void{