shm_detach

Function • Return type changed in PHP 8.5

Disconnects from shared memory segment.

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

shm_detach Function synopsis

shm_detach(SysvSharedMemory $shm): true

Parameters

$shm

TypeSysvSharedMemory

A shared memory segment obtained from shm_attach.

Return value

Typetrue

Returns true on success, false on failure

Changes to the shm_detach Function

PHP 8.5

  • Return type changed: bool to true
- shm_detach(SysvSharedMemory $shm): bool
+ shm_detach(SysvSharedMemory $shm): true

PHP 8.0

  • Return type added: bool
  • Parameter name of parameter #1 changed: $shm_identifier to $shm
  • Parameter type added for parameter #1 ($shm): SysvSharedMemory
- shm_detach($shm_identifier)
+ shm_detach(SysvSharedMemory $shm): bool

shm_detach Function Availability

PHP VersionAvailability
PHP 8.6Future Release Yes
PHP 8.5Upcoming Release Yes
PHP 8.4Supported (Latest) Yes
PHP 8.3Supported Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Security-Fixes Only 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