msg_queue_exists

Function • Params and return types changed in PHP 8.0

Check whether a message queue exists.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

msg_queue_exists Function synopsis

msg_queue_exists(int $key): bool

Parameters

$key

Typeint

Return value

Typebool

Changes to the msg_queue_exists Function

PHP 8.0

  • Return type added: bool
  • Parameter type added for parameter #1 ($key): int
- msg_queue_exists($key)
+ msg_queue_exists(int $key): bool

msg_queue_exists Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes