php warning: php startup: unable to load dynamic library 'bz2' (tried: \xampp\php\ext\bz2 (the specified module could not be found), \xampp\php\ext\php_bz2.dll (the specified module could not be found)) in unknown on line 0
#in xamp php.ini file uncomment and set the path
extension_dir="C:\full\path\to\php\ext\dir"