http_build_str

(PECL pecl_http >= 0.23.0)

http_build_str — Build query string

string http_build_str ( array $query [, string $prefix [, string $arg_separator = ini_get("arg_separator.output") ]] )

Opponent to parse_str().

query: associative array of query string parameters
prefix: top level prefix
arg_separator: argument separator to use (by default the INI setting arg_separator.output will be used, or "&" if neither is set

Returns the built query as string on success 或者在失败时返回 FALSE.