From 4b955eeb63e4161763b1a646816587e4184e2b46 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Mon, 10 Dec 2018 18:20:39 +0100
Subject: [PATCH] Fix decrement order

---
 Math/Geometry/ConvexHull/MonotoneChain.php | 2 +-
 Math/Matrix/CholeskyDecomposition.php      | 2 +-
 Utils/RnG/ArrayRandomize.php               | 2 +-
 Validation/Finance/CreditCard.php          | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Math/Geometry/ConvexHull/MonotoneChain.php b/Math/Geometry/ConvexHull/MonotoneChain.php
index 889edbf45..0874cd115 100644
--- a/Math/Geometry/ConvexHull/MonotoneChain.php
+++ b/Math/Geometry/ConvexHull/MonotoneChain.php
@@ -62,7 +62,7 @@ final class MonotoneChain
             }
 
             // Upper hull
-            for ($i = $n - 2, $t = $k + 1; $i >= 0; $i--) {
+            for ($i = $n - 2, $t = $k + 1; $i >= 0; --$i) {
                 while ($k >= $t && self::cross($result[$k - 2], $result[$k - 1], $points[$i]) <= 0) {
                     $k--;
                 }
diff --git a/Math/Matrix/CholeskyDecomposition.php b/Math/Matrix/CholeskyDecomposition.php
index 49b3be002..f43e1ef9d 100644
--- a/Math/Matrix/CholeskyDecomposition.php
+++ b/Math/Matrix/CholeskyDecomposition.php
@@ -150,7 +150,7 @@ final class CholeskyDecomposition
         }
 
         // Solve L'*X = Y;
-        for ($k = $this->m - 1; $k >= 0; $k--) {
+        for ($k = $this->m - 1; $k >= 0; --$k) {
             for ($j = 0; $j < $n; ++$j) {
                 for ($i = $k + 1; $i < $this->m; ++$i) {
                     $X[$k][$j] -= $X[$i][$j] * $this->L[$i][$k];
diff --git a/Utils/RnG/ArrayRandomize.php b/Utils/RnG/ArrayRandomize.php
index c866000e1..b62ae7d36 100644
--- a/Utils/RnG/ArrayRandomize.php
+++ b/Utils/RnG/ArrayRandomize.php
@@ -59,7 +59,7 @@ class ArrayRandomize
     {
         $shuffled = [];
 
-        for ($i = \count($arr) - 1; $i > 0; $i--) {
+        for ($i = \count($arr) - 1; $i > 0; --$i) {
             $rnd            = \mt_rand(0, $i);
             $shuffled[$i]   = $arr[$rnd];
             $shuffled[$rnd] = $arr[$i];
diff --git a/Validation/Finance/CreditCard.php b/Validation/Finance/CreditCard.php
index 880cd3f99..152bf943c 100644
--- a/Validation/Finance/CreditCard.php
+++ b/Validation/Finance/CreditCard.php
@@ -72,7 +72,7 @@ final class CreditCard extends ValidatorAbstract
         $len = \strlen($num);
         $sum = 0;
 
-        for ($i = $len - 1; $i >= 0; $i--) {
+        for ($i = $len - 1; $i >= 0; --$i) {
             $ord = \ord($num[$i]);
 
             if (($len - 1) & $i) {