shmop_write

shmop_write

Write data into shared memory block

int **shmop_write** Shmop $shmop string $data int $offset

will write a string into shared memory block.

shmop_write

shmop The shared memory block identifier created by

 `shmop_open`

dataA string to write into shared memory block

offsetSpecifies where to start writing data inside the shared memory segment. The offset must be greater than or equal to zero and less than or equal to the actual size of the shared memory segment.

The size of the written . data

If is out of range, or a read-only shared memory segment should be written to, a is thrown. offset``ValueError

Voorbeeld: Writing to shared memory block

<?php
$shm_bytes_written = shmop_write($shm_id, $my_string, 0);
?>

This example will write data inside into shared memory block, will contain the number of bytes written. $my_string``$shm_bytes_written

shmop_read