shmop_close doesn't delete the memory segment, it just detaches from it.
If you have created the block and need to delete it you must call shmop_delete **BEFORE** calling shmop_close (for reasons outlined in shmop_delete help page notes).
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
shmop_close — Ferme un bloc de mémoire partagée
$shmid
)shmop_close() sert à fermer un bloc de mémoire partagée.
Aucune valeur n'est retournée.
Exemple #1 Fermeture d'un bloc de mémoire partagée
<?php
shmop_close($shm_id);
?>
Cet exemple ferme le bloc de mémoire partagée identifié par $shm_id.
shmop_close doesn't delete the memory segment, it just detaches from it.
If you have created the block and need to delete it you must call shmop_delete **BEFORE** calling shmop_close (for reasons outlined in shmop_delete help page notes).