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/wp-includes/ -> http.php (summary)

Core HTTP Request API Standardizes the HTTP requests for WordPress. Handles cookies, gzip encoding and decoding, chunk decoding, if HTTP 1.1 and various other difficult HTTP protocol implementations.

File Size: 802 lines (25 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 28 functions

  _wp_http_get_object()
  wp_safe_remote_request()
  wp_safe_remote_get()
  wp_safe_remote_post()
  wp_safe_remote_head()
  wp_remote_request()
  wp_remote_get()
  wp_remote_post()
  wp_remote_head()
  wp_remote_retrieve_headers()
  wp_remote_retrieve_header()
  wp_remote_retrieve_response_code()
  wp_remote_retrieve_response_message()
  wp_remote_retrieve_body()
  wp_remote_retrieve_cookies()
  wp_remote_retrieve_cookie()
  wp_remote_retrieve_cookie_value()
  wp_http_supports()
  get_http_origin()
  get_allowed_http_origins()
  is_allowed_http_origin()
  send_origin_headers()
  wp_http_validate_url()
  allowed_http_request_hosts()
  ms_allowed_http_request_hosts()
  wp_parse_url()
  _get_component_from_parsed_url_array()
  _wp_translate_php_url_constant_to_key()

Functions
Functions that are not part of a class:

_wp_http_get_object()   X-Ref
Returns the initialized WP_Http Object

return: WP_Http HTTP Transport object.

wp_safe_remote_request( $url, $args = array()   X-Ref
Retrieves the raw response from a safe HTTP request.

This function is ideal when the HTTP request is being made to an arbitrary
URL. The URL, and every URL it redirects to, are validated with wp_http_validate_url()
to avoid Server Side Request Forgery attacks (SSRF).

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_safe_remote_get( $url, $args = array()   X-Ref
Retrieves the raw response from a safe HTTP request using the GET method.

This function is ideal when the HTTP request is being made to an arbitrary
URL. The URL, and every URL it redirects to, are validated with wp_http_validate_url()
to avoid Server Side Request Forgery attacks (SSRF).

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_safe_remote_post( $url, $args = array()   X-Ref
Retrieves the raw response from a safe HTTP request using the POST method.

This function is ideal when the HTTP request is being made to an arbitrary
URL. The URL, and every URL it redirects to, are validated with wp_http_validate_url()
to avoid Server Side Request Forgery attacks (SSRF).

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_safe_remote_head( $url, $args = array()   X-Ref
Retrieves the raw response from a safe HTTP request using the HEAD method.

This function is ideal when the HTTP request is being made to an arbitrary
URL. The URL, and every URL it redirects to, are validated with wp_http_validate_url()
to avoid Server Side Request Forgery attacks (SSRF).

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_remote_request( $url, $args = array()   X-Ref
Performs an HTTP request and returns its response.

There are other API functions available which abstract away the HTTP method:

- Default 'GET'  for wp_remote_get()
- Default 'POST' for wp_remote_post()
- Default 'HEAD' for wp_remote_head()

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response array or a WP_Error on failure.

wp_remote_get( $url, $args = array()   X-Ref
Performs an HTTP request using the GET method and returns its response.

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_remote_post( $url, $args = array()   X-Ref
Performs an HTTP request using the POST method and returns its response.

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_remote_head( $url, $args = array()   X-Ref
Performs an HTTP request using the HEAD method and returns its response.

param: string $url  URL to retrieve.
param: array  $args Optional. Request arguments. Default empty array.
return: array|WP_Error The response or WP_Error on failure.

wp_remote_retrieve_headers( $response )   X-Ref
Retrieves only the headers from the raw response.

param: array|WP_Error $response HTTP response.
return: \WpOrg\Requests\Utility\CaseInsensitiveDictionary|array The headers of the response, or empty array

wp_remote_retrieve_header( $response, $header )   X-Ref
Retrieves a single header by name from the raw response.

param: array|WP_Error $response HTTP response.
param: string         $header   Header name to retrieve value from.
return: array|string The header(s) value(s). Array if multiple headers with the same name are retrieved.

wp_remote_retrieve_response_code( $response )   X-Ref
Retrieves only the response code from the raw response.

Will return an empty string if incorrect parameter value is given.

param: array|WP_Error $response HTTP response.
return: int|string The response code as an integer. Empty string if incorrect parameter given.

wp_remote_retrieve_response_message( $response )   X-Ref
Retrieves only the response message from the raw response.

Will return an empty string if incorrect parameter value is given.

param: array|WP_Error $response HTTP response.
return: string The response message. Empty string if incorrect parameter given.

wp_remote_retrieve_body( $response )   X-Ref
Retrieves only the body from the raw response.

param: array|WP_Error $response HTTP response.
return: string The body of the response. Empty string if no body or incorrect parameter given.

wp_remote_retrieve_cookies( $response )   X-Ref
Retrieves only the cookies from the raw response.

param: array|WP_Error $response HTTP response.
return: WP_Http_Cookie[] An array of `WP_Http_Cookie` objects from the response.

wp_remote_retrieve_cookie( $response, $name )   X-Ref
Retrieves a single cookie by name from the raw response.

param: array|WP_Error $response HTTP response.
param: string         $name     The name of the cookie to retrieve.
return: WP_Http_Cookie|string The `WP_Http_Cookie` object, or empty string

wp_remote_retrieve_cookie_value( $response, $name )   X-Ref
Retrieves a single cookie's value by name from the raw response.

param: array|WP_Error $response HTTP response.
param: string         $name     The name of the cookie to retrieve.
return: string The value of the cookie, or empty string

wp_http_supports( $capabilities = array()   X-Ref
Determines if there is an HTTP Transport that can process this request.

param: array  $capabilities Array of capabilities to test or a wp_remote_request() $args array.
param: string $url          Optional. If given, will check if the URL requires SSL and adds
return: bool

get_http_origin()   X-Ref
Gets the HTTP Origin of the current request.

return: string URL of the origin. Empty string if no origin.

get_allowed_http_origins()   X-Ref
Retrieves list of allowed HTTP origins.

return: string[] Array of origin URLs.

is_allowed_http_origin( $origin = null )   X-Ref
Determines if the HTTP origin is an authorized one.

param: string|null $origin Origin URL. If not provided, the value of get_http_origin() is used.
return: string Origin URL if allowed, empty string if not.

send_origin_headers()   X-Ref
Sends Access-Control-Allow-Origin and related headers if the current request
is from an allowed origin.

If the request is an OPTIONS request, the script exits with either access
control headers sent, or a 403 response if the origin is not allowed. For
other request methods, you will receive a return value.

return: string|false Returns the origin URL if headers are sent. Returns false

wp_http_validate_url( $url )   X-Ref
Validates a URL for safe use in the HTTP API.

Examples of URLs that are considered unsafe:

- ftp://example.com/caniload.php - Invalid protocol - only http and https are allowed.
- http:///example.com/caniload.php - Malformed URL.
- http://user:pass@example.com/caniload.php - Login information.
- http://example.invalid/caniload.php - Invalid hostname, as the IP cannot be looked up in DNS.

Examples of URLs that are considered unsafe by default:

- http://192.168.0.1/caniload.php - IPs from LAN networks.
This can be changed with the {@see 'http_request_host_is_external'} filter.
- http://198.143.164.252:81/caniload.php - By default, only 80, 443, and 8080 ports are allowed.
This can be changed with the {@see 'http_allowed_safe_ports'} filter.

param: string $url Request URL.
return: string|false URL or false on failure.

allowed_http_request_hosts( $is_external, $host )   X-Ref
Marks allowed redirect hosts safe for HTTP requests as well.

Attached to the {@see 'http_request_host_is_external'} filter.

param: bool   $is_external
param: string $host
return: bool

ms_allowed_http_request_hosts( $is_external, $host )   X-Ref
Adds any domain in a multisite installation for safe HTTP requests to the
allowed list.

Attached to the {@see 'http_request_host_is_external'} filter.

param: bool   $is_external
param: string $host
return: bool

wp_parse_url( $url, $component = -1 )   X-Ref
A wrapper for PHP's parse_url() function that handles consistency in the return values
across PHP versions.

Across various PHP versions, schemeless URLs containing a ":" in the query
are being handled inconsistently. This function works around those differences.

param: string $url       The URL to parse.
param: int    $component The specific component to retrieve. Use one of the PHP
return: mixed False on parse failure; Array of URL components on success;

_get_component_from_parsed_url_array( $url_parts, $component = -1 )   X-Ref
Retrieves a specific component from a parsed URL array.

param: array|false $url_parts The parsed URL. Can be false if the URL failed to parse.
param: int         $component The specific component to retrieve. Use one of the PHP
return: mixed False on parse failure; Array of URL components on success;

_wp_translate_php_url_constant_to_key( $constant )   X-Ref
Translates a PHP_URL_* constant to the named array keys PHP uses.

param: int $constant PHP_URL_* constant.
return: string|false The named key or false.



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