Description:
------------
<?php
/*$shm_id = shmop_open(0xff3,"c",0,0);
if ($shm_id) {
   $shm_size = shmop_size($shm_id);
   $my_string = shmop_read($shm_id, 0, $shm_size);
   $cache=serialize($my_string);
    shmop_close($shm_id);	
}*/ make error
//print_r($cache);	
$name="shm1.php";
$time1=filectime($name);
 if(isset($cache[$name])){
 	 if($cache[$name]['time']==$time1){
 	    $shm_id = shmop_open($cache[$name]['key'],"c",0,0);
        $shm_size = shmop_size($shm_id);
        $my_string = shmop_read($shm_id, 0, $shm_size);
        echo $my_string;
        shmop_close($shm_id);
        clearstatcache ( void );
        exit;
 	 }
 }
 $d=file_get_contents($name);
 $i=strlen($d);
 $c=count($cache);
 echo $d;

 $shm_id = shmop_open((int)$c,"c",0644,$i);
 $shm_bytes_written = shmop_write($shm_id, $d,0); 
 shmop_close($shm_id);
  
 //echo "<pre>".$d."</pre>";
 $a['time']=filectime($name);
 $a['key']=$c;
 $cache[$name]=$a;
 print_r($cache);

 //echo $cache[$name]['time'];
 //echo filectime($name);
 //$cache
 $d=serialize($cache);
 // echo "<pre>".$d."</pre>";
 $i=strlen($d);
 $shm_id = shmop_open(0xff3,"c",0644,$i);
 $shm_bytes_written = shmop_write($shm_id, $d,0); 
 shmop_close($shm_id);
 
 clearstatcache();
?>