apply_filters( 'sanitize_email', string $sanitized_email, string $email, string|null $message )

此过滤器在多个上下文中进行评估，包括’email_too_short’、’email_no_at’、‘local_invalid_chars’、‘domain_period_sequence’、‘domain_period_limits’、‘domain_no_periods’、‘domain_no_valid_subs’或无上下文。