Miscellaneous
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- gravatar_code
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Calculate the gravatar code for an e-mail address:
- twitter
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Format a plain text Tweet into HTML.
- ip2country
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Maps an IP address to a country using the MaxMind GeoIP2 database.
- ip2geo
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Maps an IP address to information about that country.
- is_letsencrypt_valid_hostname
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Test if a hostname can be used for a Let’s Encrypt certificate.
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