shmop_open

Function • Params and return types changed in PHP 8.0

Create or open shared memory block.

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

shmop_open Function synopsis

shmop_open(
    int $key,
    string $mode,
    int $permissions,
    int $size
  ): Shmop|false

Parameters

$key

Typeint

$mode

Typestring

The flags that you can use:

$permissions

Typeint

$size

Typeint

Return value

TypeShmop|false

Changes to the shmop_open Function

PHP 8.0

  • Return type added: Shmop|false
  • Parameter type added for parameter #1 ($key): int
  • Parameter name of parameter #2 changed: $flags to $mode
  • Parameter type added for parameter #2 ($mode): string
  • Parameter name of parameter #3 changed: $mode to $permissions
  • Parameter type added for parameter #3 ($permissions): int
  • Parameter type added for parameter #4 ($size): int
  shmop_open(
-     $key,
+     int $key,
-     $flags,
+     string $mode,
-     $mode,
+     int $permissions,
-     $size
+     int $size
-   )
+   ): Shmop|false

shmop_open 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