array:47 [
  "REDIRECT_STATUS" => "200"
  "HTTP_ACCEPT" => "*/*"
  "HTTP_HOST" => "utopia.asmio.app"
  "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  "HTTP_ACCEPT_ENCODING" => "gzip, br, zstd, deflate"
  "HTTP_MAX_FORWARDS" => "10"
  "HTTP_X_ARR_LOG_ID" => "5849cf77-30f4-402e-9a82-287631588310"
  "HTTP_CLIENT_IP" => "3.138.199.24:34305"
  "HTTP_DISGUISED_HOST" => "utopia.asmio.app"
  "HTTP_X_SITE_DEPLOYMENT_ID" => "utopia-prod"
  "HTTP_WAS_DEFAULT_HOSTNAME" => "utopia-prod.azurewebsites.net"
  "HTTP_X_FORWARDED_PROTO" => "https"
  "HTTP_X_APPSERVICE_PROTO" => "https"
  "HTTP_X_ARR_SSL" => "2048|256|CN=GeoTrust Global TLS RSA4096 SHA256 2022 CA1, O="DigiCert, Inc.", C=US|CN=utopia.asmio.app"
  "HTTP_X_FORWARDED_TLSVERSION" => "1.3"
  "HTTP_X_FORWARDED_FOR" => "3.138.199.24:34305"
  "HTTP_X_ORIGINAL_URL" => "/upstream-c1-teachers-book"
  "HTTP_X_WAWS_UNENCODED_URL" => "/upstream-c1-teachers-book"
  "HTTP_X_CLIENT_IP" => "3.138.199.24"
  "HTTP_X_CLIENT_PORT" => "34305"
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  "SCRIPT_FILENAME" => "/var/www/html/public/index.php"
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  "REDIRECT_URL" => "/upstream-c1-teachers-book"
  "GATEWAY_INTERFACE" => "CGI/1.1"
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  "SCRIPT_NAME" => "/index.php"
  "PHP_SELF" => "/index.php"
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]
Upstream C1 Teacher's Book

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