Methods
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public
abstract
Psr\Http\Message\MessageInterface
::
getBody
()
Gets the body of the message.
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public
abstract
Psr\Http\Message\MessageInterface
::
getHeader
(
$name
)
Retrieves a message header value by the given case-insensitive name.
This method returns an array of all the header values of the given
case-insensitive header name.
If the header does not appear in the message, this method MUST return an
empty array.
-
return
string
[] An array of string values as provided for the given
header. If the header does not appear in the message, this method MUST
return an empty array.
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public
abstract
Psr\Http\Message\MessageInterface
::
getHeaderLine
(
$name
)
Retrieves a comma-separated string of the values for a single header.
This method returns all of the header values of the given
case-insensitive header name as a string concatenated together using
a comma.
NOTE: Not all header values may be appropriately represented using
comma concatenation. For such headers, use getHeader() instead
and supply your own delimiter when concatenating.
If the header does not appear in the message, this method MUST return
an empty string.
-
return
string
A string of values as provided for the given header
concatenated together using a comma. If the header does not appear in
the message, this method MUST return an empty string.
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public
abstract
Psr\Http\Message\MessageInterface
::
getHeaders
()
Retrieves all message header values.
The keys represent the header name as it will be sent over the wire, and
each value is an array of strings associated with the header.
// Represent the headers as a string
foreach ($message->getHeaders() as $name => $values) {
echo $name . ": " . implode(", ", $values);
}
// Emit headers iteratively:
foreach ($message->getHeaders() as $name => $values) {
foreach ($values as $value) {
header(sprintf('%s: %s', $name, $value), false);
}
}
While header names are not case-sensitive, getHeaders() will preserve the
exact case in which headers were originally specified.
-
return
string
[] Returns an associative array of the message's headers. Each
key MUST be a header name, and each value MUST be an array of strings
for that header.
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public
abstract
getMethod
()
Retrieves the HTTP method of the request.
-
return
string
Returns the request method.
|
public
abstract
Psr\Http\Message\MessageInterface
::
getProtocolVersion
()
Retrieves the HTTP protocol version as a string.
The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
-
return
string
HTTP protocol version.
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public
abstract
getRequestTarget
()
Retrieves the message's request target.
Retrieves the message's request-target either as it will appear (for
clients), as it appeared at request (for servers), or as it was
specified for the instance (see withRequestTarget()).
In most cases, this will be the origin-form of the composed URI,
unless a value was provided to the concrete implementation (see
withRequestTarget() below).
If no URI is available, and no request-target has been specifically
provided, this method MUST return the string "/".
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public
abstract
getUri
()
Retrieves the URI instance.
This method MUST return a UriInterface instance.
|
public
abstract
Psr\Http\Message\MessageInterface
::
hasHeader
(
$name
)
Checks if a header exists by the given case-insensitive name.
-
return
bool
Returns true if any header names match the given header
name using a case-insensitive string comparison. Returns false if
no matching header name is found in the message.
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public
abstract
Psr\Http\Message\MessageInterface
::
withAddedHeader
(
$name
,
$value
)
Return an instance with the specified header appended with the given value.
Existing values for the specified header will be maintained. The new
value(s) will be appended to the existing list. If the header did not
exist previously, it will be added.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
new header and/or value.
-
return
static
-
throws
InvalidArgumentException
for invalid header names or values.
|
public
abstract
Psr\Http\Message\MessageInterface
::
withBody
(
Psr\Http\Message\StreamInterface
$body
)
Return an instance with the specified message body.
The body MUST be a StreamInterface object.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return a new instance that has the
new body stream.
-
return
static
-
throws
InvalidArgumentException
When the body is not valid.
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public
abstract
Psr\Http\Message\MessageInterface
::
withHeader
(
$name
,
$value
)
Return an instance with the provided value replacing the specified header.
While header names are case-insensitive, the casing of the header will
be preserved by this function, and returned from getHeaders().
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
new and/or updated header and value.
-
return
static
-
throws
InvalidArgumentException
for invalid header names or values.
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public
abstract
withMethod
(
$method
)
Return an instance with the provided HTTP method.
While HTTP method names are typically all uppercase characters, HTTP
method names are case-sensitive and thus implementations SHOULD NOT
modify the given string.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
changed request method.
-
return
static
-
throws
InvalidArgumentException
for invalid HTTP methods.
|
public
abstract
Psr\Http\Message\MessageInterface
::
withoutHeader
(
$name
)
Return an instance without the specified header.
Header resolution MUST be done without case-sensitivity.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that removes
the named header.
|
public
abstract
Psr\Http\Message\MessageInterface
::
withProtocolVersion
(
$version
)
Return an instance with the specified HTTP protocol version.
The version string MUST contain only the HTTP version number (e.g.,
"1.1", "1.0").
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
new protocol version.
|
public
abstract
withRequestTarget
(
$requestTarget
)
Return an instance with the specific request-target.
If the request needs a non-origin-form request-target — e.g., for
specifying an absolute-form, authority-form, or asterisk-form —
this method may be used to create an instance with the specified
request-target, verbatim.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
changed request target.
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public
abstract
withUri
(
Psr\Http\Message\UriInterface
$uri
,
$preserveHost
=
false
)
Returns an instance with the provided URI.
This method MUST update the Host header of the returned request by
default if the URI contains a host component. If the URI does not
contain a host component, any pre-existing Host header MUST be carried
over to the returned request.
You can opt-in to preserving the original state of the Host header by
setting $preserveHost to true . When $preserveHost is set to
true , this method interacts with the Host header in the following ways:
- If the Host header is missing or empty, and the new URI contains
a host component, this method MUST update the Host header in the returned
request.
- If the Host header is missing or empty, and the new URI does not contain a
host component, this method MUST NOT update the Host header in the returned
request.
- If a Host header is present and non-empty, this method MUST NOT update
the Host header in the returned request.
This method MUST be implemented in such a way as to retain the
immutability of the message, and MUST return an instance that has the
new UriInterface instance.
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