#299 decbin type error in PHP8

#299

Author: JamesHeinrich

getid3/getid3.lib.php

@@ -427,12 +427,17 @@ public static function BigEndian2String($number, $minbytes=1, $synchsafe=false,
 	 * @return string
 	 */
 	public static function Dec2Bin($number) {
+		if (!is_numeric($number)) {
+			// https://github.com/JamesHeinrich/getID3/issues/299
+			trigger_error('TypeError: Dec2Bin(): Argument #1 ($number) must be numeric, '.gettype($number).' given', E_USER_WARNING);
+			return '';
+		}
 		$bytes = array();
 		while ($number >= 256) {
-			$bytes[] = (($number / 256) - (floor($number / 256))) * 256;
+			$bytes[] = (int) (($number / 256) - (floor($number / 256))) * 256;
 			$number = floor($number / 256);
 		}
-		$bytes[] = $number;
+		$bytes[] = (int) $number;
 		$binstring = '';
 		foreach ($bytes as $i => $byte) {
 			$binstring = (($i == count($bytes) - 1) ? decbin($byte) : str_pad(decbin($byte), 8, '0', STR_PAD_LEFT)).$binstring;

getid3/getid3.php

@@ -387,7 +387,7 @@ class getID3
 	 */
 	protected $startup_warning = '';
 
-	const VERSION           = '1.9.20-202105131611';
+	const VERSION           = '1.9.20-202106221748';
 	const FREAD_BUFFER_SIZE = 32768;
 
 	const ATTACHMENTS_NONE   = false;