Online PHP editor | output for I5rp4

<?php $input = str_repeat('[', 5_000_000) . '1' . str_repeat(']', 5_000_000); echo 'Input length: ', number_format(strlen($input) / 1024 / 1024, 3, ',', '.') . ' MiB', PHP_EOL; echo 'Memory before: ', number_format(memory_get_peak_usage(true) / 1024 / 1024, 3, ',', '.') . ' MiB', PHP_EOL; $output = json_decode($input); echo 'Memory after: ', number_format(memory_get_peak_usage(true) / 1024 / 1024, 3, ',', '.') . ' MiB', PHP_EOL;