Cloud PubSub Client - Class Message (1.40.1)

Reference documentation and code samples for the Cloud PubSub Client class Message.

Represents a PubSub Message.

Example:

 use Google\Cloud\PubSub\PubSubClient;

$pubsub = new PubSubClient();
$subscription = $pubsub->subscription('my-new-subscription');

$messages = $subscription->pull();
foreach ($messages as $message) {
    echo $message->data();
} 

Methods

__construct

Parameters
Name
Description
message
array

Message Options

 See [PubsubMessage](https://cloud.google.com/pubsub/docs/reference/rest/v1/PubsubMessage). 
↳ data
string

The message data field. If this is empty, the message must contain at least one attribute.

↳ attributes
array

Optional attributes for this message.

↳ messageId
string

ID of this message, assigned by the server when the message is published.

↳ publishTime
string

The time at which the message was published, populated by the server when it receives the publish call.

↳ orderingKey
string

The message ordering key.

metadata
array

Message metadata

↳ ackId
string

The message ackId. This is only set when messages are pulled from the PubSub service.

↳ deliveryAttempt
int

Delivery attempt counter is 1 + (the sum of number of NACKs and number of ack_deadline exceeds) for this message. If a DeadLetterPolicy is not set on the subscription, this will be null .

↳ subscription
Subscription

The subscription the message was obtained from. This is only set when messages are delivered by pushDelivery

data

The message payload.

Example:

 echo $message->data(); 
Returns
Type
Description
string

attribute

Retrieve a single message attribute.

Example:

 echo $message->attribute('browser-name'); 
Parameter
Name
Description
key
string

The attribute key

Returns
Type
Description
string|null

attributes

Retrieve all message attributes.

Example:

 $attributes = $message->attributes(); 
Returns
Type
Description
array

id

Get the message ID.

The message ID is assigned by the server when the message is published. Guaranteed to be unique within the topic.

Example:

 echo $message->id(); 
Returns
Type
Description
string

orderingKey

Get the message ordering key.

Example:

 $orderingKey = $message->orderingKey(); 
Returns
Type
Description
string|null

publishTime

Get the message published time.

Example:

 $time = $message->publishTime(); 
Returns
Type
Description
DateTimeInterface |null

ackId

Get the message ackId.

This is only set when message is obtained via Google\Cloud\PubSub\Google\Cloud\PubSub\Subscription::pull() .

Example:

 echo $message->ackId(); 
Returns
Type
Description
string

deliveryAttempt

Get the delivery attempt count.

If a DeadLetterPolicy is not set on the subscription, this will be null .

Example:

 echo $message->deliveryAttempt(); 
Returns
Type
Description
int|null

subscription

Get the subcription through which the message was obtained.

This is only set when the message is obtained via push delivery.

Example:

 echo "Subscription Name: ". $message->subscription()->name(); 
Returns
Type
Description

info

Get the message data.

Available keys are ackId , subscription and message .

Example:

 $info = $message->info(); 
Returns
Type
Description
array
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