代码如下：
<?php$sysid = $shmkey = ftok(__FILE__, 't');$flags = "c";$mode = 0766;$size = 1024;$shmid = shmop_open($sysid, $flags, $mode, $size);shmop_write($shmid, "Hello", 0);$len = shmop_size($shmid);$cont = shmop_read($sysid, 0, "Hello");var_dump($cont);shmop_delete($shmid);shmop_close($shmid);?>
PHP Warning: shmop_read(): no shared memory segment with an id of [1946257823] in /home/admin/codes/php/shmop/client.php on line 8Warning: shmop_read(): no shared memory segment with an id of [1946257823] in /home/admin/codes/php/shmop/client.php on line 8
$cont = shmop_read($shmid, 0, "Hello");
$cont = shmop_read($shmid, 0, "Hello");
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