includes/plain.button.php: PHP 8.x fixes just for fun
includes/plain.button.php: PHP 8.x fixes just for fun

--- a/includes/plain.button.php
+++ b/includes/plain.button.php
@@ -5,7 +5,7 @@
 include("../config.php");
 unset($_SESSION[$sitekey.'_digit']);
 
-$image = imagecreate(120, 30);
+$image = imagecreate(240, 60);
 
 $white    = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
 $gray    = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);
@@ -13,11 +13,11 @@
 
 srand((double)microtime()*1000000);
 unset($digit, $cnum);
-for ($i = 0; $i < 30; $i++) {
-  $x1 = rand(0,120);
-  $y1 = rand(0,30);
-  $x2 = rand(0,120);
-  $y2 = rand(0,30);
+for ($i = 0; $i < 60; $i++) {
+  $x1 = rand(0,240);
+  $y1 = rand(0,60);
+  $x2 = rand(0,240);
+  $y2 = rand(0,60);
   imageline($image, $x1, $y1, $x2, $y2 , $gray);  
 }
 
@@ -25,11 +25,11 @@
 $cnum[$i] = rand(0,9);
 }
 
-
+$x = null;
 for ($i = 0; $i < 5; $i++) {
- $fnt = rand(3,5);
- $x = $x + rand(12 , 20);
- $y = rand(7 , 12); 
+ $fnt = rand(6,10);
+ $x = $x + rand(24 , 40);
+ $y = rand(14 , 24);
  imagestring($image, $fnt, $x, $y, $cnum[$i] , $darkgray); 
 }
 
@@ -38,7 +38,7 @@
 $_SESSION[$sitekey.'_digit'] = md5($sitekey.$digit);
 header('Content-type: image/png');
 imagepng($image);
-imagedestroy($image);
+unset($image);
 exit( );
 ?>