From 5841dce723e98442533b1fd34981a91a61d0b18f Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Sun, 12 Jul 2020 09:36:18 +0700
Subject: [PATCH] optimize FileLocator autoloader : use foreach instead of for
 with count when possible

---
 system/Autoloader/FileLocator.php | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/system/Autoloader/FileLocator.php b/system/Autoloader/FileLocator.php
index 4557cb168538..c9d2b78a089c 100644
--- a/system/Autoloader/FileLocator.php
+++ b/system/Autoloader/FileLocator.php
@@ -171,34 +171,38 @@ public function getClassname(string $file) : string
 	{
 		$php        = file_get_contents($file);
 		$tokens     = token_get_all($php);
-		$count      = count($tokens);
 		$dlm        = false;
 		$namespace  = '';
 		$class_name = '';
 
-		for ($i = 2; $i < $count; $i++)
+		foreach ($tokens as $i => $token)
 		{
-			if ((isset($tokens[$i - 2][1]) && ($tokens[$i - 2][1] === 'phpnamespace' || $tokens[$i - 2][1] === 'namespace')) || ($dlm && $tokens[$i - 1][0] === T_NS_SEPARATOR && $tokens[$i][0] === T_STRING))
+			if ($i < 2)
+			{
+				continue;
+			}
+
+			if ((isset($tokens[$i - 2][1]) && ($tokens[$i - 2][1] === 'phpnamespace' || $tokens[$i - 2][1] === 'namespace')) || ($dlm && $tokens[$i - 1][0] === T_NS_SEPARATOR && $token[0] === T_STRING))
 			{
 				if (! $dlm)
 				{
 					$namespace = 0;
 				}
-				if (isset($tokens[$i][1]))
+				if (isset($token[1]))
 				{
-					$namespace = $namespace ? $namespace . '\\' . $tokens[$i][1] : $tokens[$i][1];
+					$namespace = $namespace ? $namespace . '\\' . $token[1] : $token[1];
 					$dlm       = true;
 				}
 			}
-			elseif ($dlm && ($tokens[$i][0] !== T_NS_SEPARATOR) && ($tokens[$i][0] !== T_STRING))
+			elseif ($dlm && ($token[0] !== T_NS_SEPARATOR) && ($token[0] !== T_STRING))
 			{
 				$dlm = false;
 			}
 			if (($tokens[$i - 2][0] === T_CLASS || (isset($tokens[$i - 2][1]) && $tokens[$i - 2][1] === 'phpclass'))
 				&& $tokens[$i - 1][0] === T_WHITESPACE
-				&& $tokens[$i][0] === T_STRING)
+				&& $token[0] === T_STRING)
 			{
-				$class_name = $tokens[$i][1];
+				$class_name = $token[1];
 				break;
 			}
 		}