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is_email › WordPress Filter Hooks
Seit2.8.0
Veraltetn/v
› apply_filters( 'is_email', false, $email, null )
| Parameter: (3) |
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| Definiert in: |
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| Codex: |
Filters whether an email address is valid.
This filter is evaluated under several different contexts, such as 'local_invalid_chars', 'domain_no_periods', or no specific context. Filters registered on this hook perform the actual validation; the default filter is registered in default-filters.php.