Dutch PHP Conference 2021 - Call for Papers

SyncSharedMemory::write

(PECL sync >= 1.1.0)

SyncSharedMemory::writeCopy data to named shared memory

Beschreibung

public SyncSharedMemory::write ( string $string = ? , int $start = 0 )

Copies data to named shared memory.

Parameter-Liste

string

The data to write to shared memoy.

Hinweis:

If the size of the data exceeds the size of the shared memory, the number of bytes written returned will be less than the length of the input.

start

The start/offset, in bytes, to begin writing.

Hinweis:

If the value is negative, the starting position will begin at the specified number of bytes from the end of the shared memory segment.

Rückgabewerte

An integer containing the number of bytes written to shared memory.

Beispiele

Beispiel #1 SyncSharedMemory::write() example

<?php
// You will probably need to protect shared memory with other synchronization objects.
// Shared memory goes away when the last reference to it disappears.
$mem = new SyncSharedMemory("AppReportName"1024);
if (
$mem->first())
{
    
// Do first time initialization work here.
}

$result $mem->write("report.txt");
var_dump($result);

$result $mem->write("report.txt", -3);
var_dump($result);
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

int(10)
int(3)

Siehe auch

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top