sem_get

Function • Params and return types changed in PHP 8.0

Get a semaphore id.

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_get Function synopsis

sem_get(
    int $key,
    int $max_acquire = 1,
    int $permissions = 0666,
    bool $auto_release = true
  ): SysvSemaphore|false

Parameters

$key

Typeint

$max_acquire

OptionalTypeintDefault value1

$permissions

OptionalTypeintDefault value0666

$auto_release

OptionalTypeboolDefault valuetrue

Return value

TypeSysvSemaphore|false

Changes to the sem_get Function

PHP 8.0

  • Return type added: SysvSemaphore|false
  • Parameter type added for parameter #1 ($key): int
  • Parameter type added for parameter #2 ($max_acquire): int
  • Parameter default value added for position #2 ($max_acquire): 1
  • Parameter name of parameter #3 changed: $perm to $permissions
  • Parameter type added for parameter #3 ($permissions): int
  • Parameter default value added for position #3 ($permissions): 0666
  • Parameter type added for parameter #4 ($auto_release): bool
  • Parameter default value added for position #4 ($auto_release): true
  sem_get(
-     $key,
+     int $key,
-     $max_acquire,
+     int $max_acquire = 1,
-     $perm,
+     int $permissions = 0666,
-     $auto_release
+     bool $auto_release = true
-   )
+   ): SysvSemaphore|false

sem_get 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