Fatal error: Uncaught Error: Non-static method Benchmark::memory_usage() cannot be called statically in /www/system/core/Benchmark.php:34
Stack trace:
#0 /www/system/core/Bootstrap.php(26): Benchmark::start()
#1 /www/index.php(107): require('...')
#2 {main}
thrown in /www/system/core/Benchmark.php on line 34