From 1a2b3932aef6ebffcfb94239fec0c9ebd2618dd1 Mon Sep 17 00:00:00 2001
From: gongwen <gongcoder@gmail.com>
Date: Sun, 24 Sep 2023 14:01:41 +0800
Subject: [PATCH] =?UTF-8?q?=E5=85=BC=E5=AE=B9php=E9=AB=98=E7=89=88?=
 =?UTF-8?q?=E6=9C=AC8.2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/VerifyCode.php | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/VerifyCode.php b/src/VerifyCode.php
index d007939..b60607c 100644
--- a/src/VerifyCode.php
+++ b/src/VerifyCode.php
@@ -111,27 +111,27 @@ private function writeCurve(): void
     {
         $px = $py = 0;
         // 曲线前部分
-        $A = mt_rand(1, $this->conf->imageH / 2); // 振幅
-        $b = mt_rand(-$this->conf->imageH / 4, $this->conf->imageH / 4); // Y轴方向偏移量
-        $f = mt_rand(-$this->conf->imageH / 4, $this->conf->imageH / 4); // X轴方向偏移量
+        $A = mt_rand(1, (int)($this->conf->imageH / 2)); // 振幅
+        $b = mt_rand(-(int)($this->conf->imageH / 4), (int)($this->conf->imageH / 4)); // Y轴方向偏移量
+        $f = mt_rand(-(int)($this->conf->imageH / 4), (int)($this->conf->imageH / 4)); // X轴方向偏移量
         $T = mt_rand($this->conf->imageH, $this->conf->imageL * 2); // 周期
         $w = (2 * M_PI) / $T;
         $px1 = 0; // 曲线横坐标起始位置
-        $px2 = mt_rand($this->conf->imageL / 2, $this->conf->imageL * 0.8); // 曲线横坐标结束位置
+        $px2 = mt_rand((int)($this->conf->imageL / 2), (int)($this->conf->imageL * 0.8)); // 曲线横坐标结束位置
         for ($px = $px1; $px <= $px2; $px = $px + 1) {
             if (0 != $w) {
                 $py = $A * sin($w * $px + $f) + $b + $this->conf->imageH / 2; // y = Asin(ωx+φ) + b
                 $i = (int)($this->conf->fontSize / 5);
                 while ($i > 0) {
                     // 这里(while)循环画像素点比imagettftext和imagestring用字体大小一次画出（不用这while循环）性能要好很多
-                    imagesetpixel($this->imInstance, $px + $i, $py + $i, $this->conf->fontColor);
+                    imagesetpixel($this->imInstance, (int)($px + $i), (int)($py + $i), $this->conf->fontColor);
                     $i--;
                 }
             }
         }
         // 曲线后部分
-        $A = mt_rand(1, $this->conf->imageH / 2); // 振幅
-        $f = mt_rand(-$this->conf->imageH / 4, $this->conf->imageH / 4); // X轴方向偏移量
+        $A = mt_rand(1, (int)($this->conf->imageH / 2)); // 振幅
+        $f = mt_rand(-(int)($this->conf->imageH / 4), (int)($this->conf->imageH / 4)); // X轴方向偏移量
         $T = mt_rand($this->conf->imageH, $this->conf->imageL * 2); // 周期
         $w = (2 * M_PI) / $T;
         $b = $py - $A * sin($w * $px + $f) - $this->conf->imageH / 2;
@@ -142,7 +142,7 @@ private function writeCurve(): void
                 $py = $A * sin($w * $px + $f) + $b + $this->conf->imageH / 2; // y = Asin(ωx+φ) + b
                 $i = (int)($this->conf->fontSize / 5);
                 while ($i > 0) {
-                    imagesetpixel($this->imInstance, intval($px + $i), intval($py + $i), $this->conf->fontColor);
+                    imagesetpixel($this->imInstance, (int)($px + $i), (int)($py + $i), $this->conf->fontColor);
                     $i--;
                 }
             }