getCurrent() public static method

Get current memory usage
public static getCurrent ( ) : integer
return integer number of bytes ram currently in use. 0 if memory_get_usage() is not available.
 /**
  * test memory usage
  *
  * @return void
  */
 public function testMemoryUsage()
 {
     $result = DebugMemory::getCurrent();
     $this->assertTrue(is_int($result));
     $result = DebugMemory::getPeak();
     $this->assertTrue(is_int($result));
 }