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<?php $algorithms = array('ssh-rsa', 'ssh-dss', 'ssh-ed25519'); $algorithm_string = join(' or ', array_filter(array_merge(array(join(', ', array_slice($algorithms, 0, -1))), array_slice($algorithms, -1)), 'strlen')); echo sprintf('The key is invalid. It must begin with %s.', $algorithm_string);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
The key is invalid. It must begin with ssh-rsa, ssh-dss or ssh-ed25519.

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