Requests_Cookie::domain_matches( string $string )
Check if a cookie is valid for a given domain
Parameters
- $string
-
(Required) Domain to check
Return
(boolean) Whether the cookie is valid for the given domain
Source
File: wp-includes/Requests/Cookie.php
public function domain_matches($string) {
if (!isset($this->attributes['domain'])) {
// Cookies created manually; cookies created by Requests will set
// the domain to the requested domain
return true;
}
$domain_string = $this->attributes['domain'];
if ($domain_string === $string) {
// The domain string and the string are identical.
return true;
}
// If the cookie is marked as host-only and we don't have an exact
// match, reject the cookie
if ($this->flags['host-only'] === true) {
return false;
}
if (strlen($string) <= strlen($domain_string)) {
// For obvious reasons, the string cannot be a suffix if the domain
// is shorter than the domain string
return false;
}
if (substr($string, -1 * strlen($domain_string)) !== $domain_string) {
// The domain string should be a suffix of the string.
return false;
}
$prefix = substr($string, 0, strlen($string) - strlen($domain_string));
if (substr($prefix, -1) !== '.') {
// The last character of the string that is not included in the
// domain string should be a %x2E (".") character.
return false;
}
// The string should be a host name (i.e., not an IP address).
return !preg_match('#^(.+\.)\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $string);
}