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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 git.master, git.master_jit, rfc.property-hooks
BGGYAXgbqlAF1rMOyFTdZGj9zIMXZtSvEjMAKZ9wGIk

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