shm_has_var

Function • Params and return types changed in PHP 8.0

Check whether a specific entry 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

shm_has_var Function synopsis

shm_has_var(SysvSharedMemory $shm, int $key): bool

Parameters

$shm

TypeSysvSharedMemory

$key

Typeint

Return value

Typebool

Changes to the shm_has_var Function

PHP 8.0

  • Return type added: bool
  • Parameter name of parameter #1 changed: $id to $shm
  • Parameter type added for parameter #1 ($shm): SysvSharedMemory
  • Parameter name of parameter #2 changed: $variable_key to $key
  • Parameter type added for parameter #2 ($key): int
- shm_has_var($id, $variable_key)
+ shm_has_var(SysvSharedMemory $shm, int $key): bool

shm_has_var 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