3v4l.org

run code in 300+ PHP versions simultaneously
<?php $table = 'user_field_data'; $index = 'a_veeeery_veery_very_super_long_field_name__key'; $data = implode('__', [$table, $index]); echo strtr(base64_encode(hash('sha256', $data, TRUE)), ['+' => '_', '/' => '_', '=' => '']);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
BGGYAXgbqlAF1rMOyFTdZGj9zIMXZtSvEjMAKZ9wGIk

preferences:
48.15 ms | 406 KiB | 5 Q