php - How to get the real-time memory usage of system when a function is now executing? -


i have image reader below:

    $file = "xxx.jpg";     $image = new imagick();     $image->readimage($file);     $type = $image->getimageformat();     $image->setformat($type);      ...      echo $image->getimagesblob();

if want real-time memory usage of system @ moment echo $image->getimagesblob(); executing, how should do? possible run php code asynchronously?


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