HTTP Functions
These functions assist you in dealing with the HTTP protocol. The encoding and decoding functions are not normally needed, as PHP takes care of these actions automatically. But there are cases where the actions need to be done manually, so these functions are provided. The header and cookie functions are useful for either sending custom HTTP headers or sending cookies.
Here are the HTTP functions in PHP:
int header(string str)
Send a raw HTTP header
int headers_sent(void)
Return
true
if headers have already been sent,false
otherwisearray parse_url(string url)
Parse a URL and return its components in an array
string rawurldecode(string str)
Decode a URL-encoded string
string rawurlencode(string str)
URL-encode a string
void setcookie(string name [, string value [,
int expire [, string path [, string domain [, int secure ]]]]])
Send a cookie
string urldecode(string str)
Decode a URL-encoded string
string urlencode(string str)
URL-encode a string
Apache-Specific Functions
The following HTTP functions are only available if PHP is running as an Apache module:
class apache_lookup_uri(string URI)
Perform a partial request of the given URI to obtain information about it
string apache_note(string note_name [, string
note_value])
Get and set Apache request notes
array getallheaders(void)
Fetch all HTTP request headers
int virtual(string filename)
Perform an Apache subrequest
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