3v4l.org

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<?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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
BGGYAXgbqlAF1rMOyFTdZGj9zIMXZtSvEjMAKZ9wGIk

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64.28 ms | 1129 KiB | 4 Q