262 lines
7.0 KiB
PHP
262 lines
7.0 KiB
PHP
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<?php
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/**
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* HTTP API: WP_Http_Cookie class
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*
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* @package WordPress
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* @subpackage HTTP
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* @since 4.4.0
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*/
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/**
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* Core class used to encapsulate a single cookie object for internal use.
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*
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* Returned cookies are represented using this class, and when cookies are set, if they are not
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* already a WP_Http_Cookie() object, then they are turned into one.
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*
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* @todo The WordPress convention is to use underscores instead of camelCase for function and method
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* names. Need to switch to use underscores instead for the methods.
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*
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* @since 2.8.0
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*/
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class WP_Http_Cookie {
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/**
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* Cookie name.
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*
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* @since 2.8.0
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* @var string
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*/
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public $name;
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/**
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* Cookie value.
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*
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* @since 2.8.0
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* @var string
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*/
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public $value;
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/**
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* When the cookie expires. Unix timestamp or formatted date.
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*
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* @since 2.8.0
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* @var string|int|null
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*/
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public $expires;
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/**
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* Cookie URL path.
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*
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* @since 2.8.0
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* @var string
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*/
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public $path;
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/**
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* Cookie Domain.
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*
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* @since 2.8.0
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* @var string
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*/
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public $domain;
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/**
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* host-only flag.
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*
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* @since 5.2.0
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* @var bool
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*/
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public $host_only;
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/**
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* Sets up this cookie object.
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*
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* The parameter $data should be either an associative array containing the indices names below
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* or a header string detailing it.
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*
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* @since 2.8.0
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* @since 5.2.0 Added `host_only` to the `$data` parameter.
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*
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* @param string|array $data {
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* Raw cookie data as header string or data array.
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*
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* @type string $name Cookie name.
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* @type mixed $value Value. Should NOT already be urlencoded.
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* @type string|int|null $expires Optional. Unix timestamp or formatted date. Default null.
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* @type string $path Optional. Path. Default '/'.
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* @type string $domain Optional. Domain. Default host of parsed $requested_url.
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* @type int $port Optional. Port. Default null.
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* @type bool $host_only Optional. host-only storage flag. Default true.
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* }
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* @param string $requested_url The URL which the cookie was set on, used for default $domain
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* and $port values.
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*/
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public function __construct( $data, $requested_url = '' ) {
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if ( $requested_url ) {
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$arrURL = parse_url( $requested_url );
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}
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if ( isset( $arrURL['host'] ) ) {
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$this->domain = $arrURL['host'];
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}
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$this->path = isset( $arrURL['path'] ) ? $arrURL['path'] : '/';
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if ( '/' !== substr( $this->path, -1 ) ) {
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$this->path = dirname( $this->path ) . '/';
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}
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if ( is_string( $data ) ) {
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// Assume it's a header string direct from a previous request.
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$pairs = explode( ';', $data );
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// Special handling for first pair; name=value. Also be careful of "=" in value.
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$name = trim( substr( $pairs[0], 0, strpos( $pairs[0], '=' ) ) );
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$value = substr( $pairs[0], strpos( $pairs[0], '=' ) + 1 );
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$this->name = $name;
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$this->value = urldecode( $value );
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// Removes name=value from items.
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array_shift( $pairs );
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// Set everything else as a property.
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foreach ( $pairs as $pair ) {
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$pair = rtrim( $pair );
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// Handle the cookie ending in ; which results in a empty final pair.
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if ( empty( $pair ) ) {
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continue;
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}
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list( $key, $val ) = strpos( $pair, '=' ) ? explode( '=', $pair ) : array( $pair, '' );
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$key = strtolower( trim( $key ) );
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if ( 'expires' === $key ) {
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$val = strtotime( $val );
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}
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$this->$key = $val;
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}
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} else {
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if ( ! isset( $data['name'] ) ) {
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return;
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}
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// Set properties based directly on parameters.
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foreach ( array( 'name', 'value', 'path', 'domain', 'port', 'host_only' ) as $field ) {
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if ( isset( $data[ $field ] ) ) {
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$this->$field = $data[ $field ];
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}
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}
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if ( isset( $data['expires'] ) ) {
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$this->expires = is_int( $data['expires'] ) ? $data['expires'] : strtotime( $data['expires'] );
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} else {
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$this->expires = null;
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}
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}
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}
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/**
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* Confirms that it's OK to send this cookie to the URL checked against.
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*
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* Decision is based on RFC 2109/2965, so look there for details on validity.
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*
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* @since 2.8.0
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*
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* @param string $url URL you intend to send this cookie to
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* @return bool true if allowed, false otherwise.
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*/
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public function test( $url ) {
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if ( is_null( $this->name ) ) {
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return false;
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}
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// Expires - if expired then nothing else matters.
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if ( isset( $this->expires ) && time() > $this->expires ) {
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return false;
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}
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// Get details on the URL we're thinking about sending to.
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$url = parse_url( $url );
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$url['port'] = isset( $url['port'] ) ? $url['port'] : ( 'https' === $url['scheme'] ? 443 : 80 );
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$url['path'] = isset( $url['path'] ) ? $url['path'] : '/';
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// Values to use for comparison against the URL.
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$path = isset( $this->path ) ? $this->path : '/';
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$port = isset( $this->port ) ? $this->port : null;
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$domain = isset( $this->domain ) ? strtolower( $this->domain ) : strtolower( $url['host'] );
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if ( false === stripos( $domain, '.' ) ) {
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$domain .= '.local';
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}
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// Host - very basic check that the request URL ends with the domain restriction (minus leading dot).
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$domain = ( '.' === substr( $domain, 0, 1 ) ) ? substr( $domain, 1 ) : $domain;
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if ( substr( $url['host'], -strlen( $domain ) ) != $domain ) {
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return false;
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}
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// Port - supports "port-lists" in the format: "80,8000,8080".
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if ( ! empty( $port ) && ! in_array( $url['port'], array_map( 'intval', explode( ',', $port ) ), true ) ) {
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return false;
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}
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// Path - request path must start with path restriction.
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if ( substr( $url['path'], 0, strlen( $path ) ) != $path ) {
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return false;
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}
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return true;
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}
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/**
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* Convert cookie name and value back to header string.
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*
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* @since 2.8.0
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*
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* @return string Header encoded cookie name and value.
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*/
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public function getHeaderValue() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
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if ( ! isset( $this->name ) || ! isset( $this->value ) ) {
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return '';
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}
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/**
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* Filters the header-encoded cookie value.
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*
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* @since 3.4.0
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*
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* @param string $value The cookie value.
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* @param string $name The cookie name.
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*/
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return $this->name . '=' . apply_filters( 'wp_http_cookie_value', $this->value, $this->name );
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}
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/**
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* Retrieve cookie header for usage in the rest of the WordPress HTTP API.
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*
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* @since 2.8.0
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*
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* @return string
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*/
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public function getFullHeader() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
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return 'Cookie: ' . $this->getHeaderValue();
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}
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/**
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* Retrieves cookie attributes.
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*
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* @since 4.6.0
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*
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* @return array {
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* List of attributes.
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*
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* @type string|int|null $expires When the cookie expires. Unix timestamp or formatted date.
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* @type string $path Cookie URL path.
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* @type string $domain Cookie domain.
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* }
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*/
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public function get_attributes() {
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return array(
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'expires' => $this->expires,
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'path' => $this->path,
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'domain' => $this->domain,
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);
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}
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}
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