sem_release

Function • Params and return types changed in PHP 8.0

Release a semaphore.

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

sem_release Function synopsis

sem_release(SysvSemaphore $semaphore): bool

Parameters

$semaphore

TypeSysvSemaphore

Return value

Typebool

Changes to the sem_release Function

PHP 8.0

  • Return type added: bool
  • Parameter name of parameter #1 changed: $sem_identifier to $semaphore
  • Parameter type added for parameter #1 ($semaphore): SysvSemaphore
- sem_release($sem_identifier)
+ sem_release(SysvSemaphore $semaphore): bool

sem_release 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