bozhinov / pChart2.0-for-PHP81

Fork with support for PHP 8,1

Code is being tested against PHP versions 8.1+
PHP version 8.1 brings breaking changes to imagefilledpolygon and count

pChart 2.4 (in progress)

Major changes:

• Removed pImageMap, pCache, pBarcode
• Introduced the new Barcodes lib /* Check out my PHP-Barcodes-fork repo */
• Introduced the new PDF417 lib /* Check out my PHP-PDF417-fork repo */
• Introduced the new Aztec lib /* Check out my PHP-Aztec-fork repo */
• Introduced the new QRCode lib /* Check out my PHP-QRCode-fork repo */
• Explicitly declare the visibility for methods and properties