Warning: hash_hmac(): Unknown hashing algorithm: sha256 in C:\xampp\htdocs\arunmishra_new\blogs\wp-includes\class-wpdb.php on line 2418

Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 36597275949182 bytes) in C:\xampp\htdocs\arunmishra_new\blogs\wp-includes\pluggable.php on line 2624