PHP_HTTP_API STATUS php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len TSRMLS_DC);
PHP_HTTP_API STATUS php_http_url_encode_hash_ex(HashTable *ht, php_http_buffer_t *str, const char *arg_sep_str, size_t arg_sep_len, const char *val_sep_str, size_t val_sep_len, const char *prefix_str, size_t prefix_len TSRMLS_DC);
PHP_HTTP_API STATUS php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len TSRMLS_DC);
PHP_HTTP_API STATUS php_http_url_encode_hash_ex(HashTable *ht, php_http_buffer_t *str, const char *arg_sep_str, size_t arg_sep_len, const char *val_sep_str, size_t val_sep_len, const char *prefix_str, size_t prefix_len TSRMLS_DC);