How to get information about your memory and CPU usage in PHP.

How to get information about your memory and CPU usage in PHP.




See example.

echo "Initial Memory uses : ".memory_get_usage()." bytes \n";
// Initial Memory uses : 321420 bytes
 
// Let's create some function to use up some memory
for ($count = 0; $count < 100000; $count++) {
    $array []= base64_decode($count);
}
 
for ($count = 0; $count < 100000; $count++) {
    unset($array[$i]);
}
 echo "Final Memory : ".memory_get_usage()." bytes \n";
//Final Memory :: 871015 bytes
 
echo "Peak: ".memory_get_peak_usage()." bytes \n";
//Peak: 13483071 bytes