GoLang SyncSharedMemory::first

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PHP SyncSharedMemory::first

PHP original manual for SyncSharedMemory::first [ show | php.net ]

SyncSharedMemory::first

(PECL sync >= 1.1.0)

SyncSharedMemory::first — Check to see if the object is the first instance system-wide of named shared memory

Description

public bool SyncSharedMemory::first ( void )

Retrieves the system-wide first instance status of a SyncSharedMemory object.

Parameters

This function has no parameters.

Return Values

A boolean of TRUE if the object is the first instance system-wide, FALSE otherwise.

Examples

Example #1 SyncSharedMemory::first() example

<?php
$mem = new SyncSharedMemory("AppReportName", 1024);
if ($mem->first())
{
    // Do first time initialization work here.
}

var_dump($mem->first());

$mem2 = new SyncSharedMemory("AppReportName", 1024);

var_dump($mem2->first());
?>

The above example will output something similar to:

bool(true)
bool(false)

See Also