GET https://rct.dev.bbntimes.com/science/understanding-the-science-of-reverse-osmosis

Response
200 OK
IP
18.117.11.6
Profiled on
Token
ce6302

ArticleController :: show

Request

GET Parameters

None

POST Parameters

None

Uploaded Files

None

Request Attributes

Key Value
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"App\Controller\ArticleController::show"
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"_security_main"
_stopwatch_token 
"5ba4dd"
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"science"
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"understanding-the-science-of-reverse-osmosis"

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Header Value
accept 
"*/*"
accept-encoding 
"gzip, br, zstd, deflate"
connection 
"close"
cookie 
"PHPSESSID=tk64i1lki5tia9s0pmq4hgarut"
host 
"rct.dev.bbntimes.com"
user-agent 
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
x-php-ob-level 
"1"

Request Content

Request content not available (it was retrieved as a resource).

Response

Response Headers

Header Value
cache-control 
"no-cache, private"
content-type 
"text/html; charset=UTF-8"
date 
"Sat, 22 Feb 2025 13:15:22 GMT"
link 
"</build/runtime.js>; rel="preload"; as="script",</build/644.js>; rel="preload"; as="script",</build/502.js>; rel="preload"; as="script",</build/app.js>; rel="preload"; as="script",</build/view-more.js>; rel="preload"; as="script",</build/term-condition.js>; rel="preload"; as="script",</build/contact.js>; rel="preload"; as="script",</build/scroll-infinite-article.js>; rel="preload"; as="script",</build/app.css>; rel="preload"; as="style",</build/cookie-style.css>; rel="preload"; as="style",</build/term-condition-css.css>; rel="preload"; as="style",</build/contact-css.css>; rel="preload"; as="style",</build/comment-css.css>; rel="preload"; as="style""
x-debug-token 
"ce6302"

Cookies

Request Cookies

Key Value
PHPSESSID 
"tk64i1lki5tia9s0pmq4hgarut"

Response Cookies

No response cookies

Session 6

Session Metadata

Key Value
Created 
"Sat, 22 Feb 25 13:15:16 +0000"
Last used 
"Sat, 22 Feb 25 13:15:19 +0000"
Lifetime 
0

Session Attributes

Attribute Value
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"TC80CXHjyBrFp-OQu2OfVukH2MDhNcSDptk0uHhVkbA"
_csrf/https-cookie_accept 
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Session Usage

6 Usages
Stateless check enabled
Usage
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Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage:79
Show trace 
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Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage:52
Show trace 
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Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage:56
Show trace 
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    "class" => "App\Controller\ArticleController"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 76
    "function" => "handleRaw"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/Kernel.php"
    "line" => 197
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php"
    "line" => 35
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\Kernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    "line" => 29
    "function" => "run"
    "class" => "Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/public/index.php"
    "line" => 5
    "args" => [
      "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    ]
    "function" => "require_once"
  ]
]
Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage:41
Show trace 
[
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/security-core/Authentication/Token/Storage/UsageTrackingTokenStorage.php"
    "line" => 41
    "function" => "getMetadataBag"
    "class" => "Symfony\Component\HttpFoundation\Session\Session"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/twig-bridge/AppVariable.php"
    "line" => 103
    "function" => "getToken"
    "class" => "Symfony\Component\Security\Core\Authentication\Token\Storage\UsageTrackingTokenStorage"
    "type" => "->"
  ]
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    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Extension/CoreExtension.php"
    "line" => 1635
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    "function" => "twig_get_attribute"
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    "function" => "doDisplay"
    "class" => "__TwigTemplate_824a013e4f3f4a68e03a2d244e765025"
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    "function" => "displayWithErrorHandling"
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    "line" => 379
    "function" => "display"
    "class" => "Twig\Template"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/TemplateWrapper.php"
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    "function" => "render"
    "class" => "Twig\Template"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Environment.php"
    "line" => 280
    "function" => "render"
    "class" => "Twig\TemplateWrapper"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/framework-bundle/Controller/AbstractController.php"
    "line" => 448
    "function" => "render"
    "class" => "Twig\Environment"
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  [
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    "line" => 453
    "function" => "doRenderView"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/framework-bundle/Controller/AbstractController.php"
    "line" => 253
    "function" => "doRender"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/src/Controller/AppController.php"
    "line" => 126
    "function" => "render"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
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  ]
  [
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    "line" => 181
    "function" => "renderHeader"
    "class" => "App\Controller\AppController"
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  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 76
    "function" => "handleRaw"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php"
    "line" => 86
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/Fragment/InlineFragmentRenderer.php"
    "line" => 78
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\HttpCache\SubRequestHandler"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/Fragment/FragmentHandler.php"
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    "function" => "render"
    "class" => "Symfony\Component\HttpKernel\Fragment\InlineFragmentRenderer"
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    "function" => "render"
    "class" => "Symfony\Component\HttpKernel\Fragment\FragmentHandler"
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  [
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    "function" => "render"
    "class" => "Symfony\Component\HttpKernel\DependencyInjection\LazyLoadingFragmentHandler"
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  [
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Template.php"
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    "function" => "block_header"
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  [
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    "function" => "displayBlock"
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    "function" => "displayWithErrorHandling"
    "class" => "Twig\Template"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/var/cache/dev/twig/c3/c336f4e76fc20e4db84e3be131276b68.php"
    "line" => 52
    "function" => "display"
    "class" => "Twig\Template"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Template.php"
    "line" => 394
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    "class" => "__TwigTemplate_3ce0324a396de697d1fad9fabd68df72"
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    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Template.php"
    "line" => 367
    "function" => "displayWithErrorHandling"
    "class" => "Twig\Template"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Template.php"
    "line" => 379
    "function" => "display"
    "class" => "Twig\Template"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/TemplateWrapper.php"
    "line" => 38
    "function" => "render"
    "class" => "Twig\Template"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/twig/twig/src/Environment.php"
    "line" => 280
    "function" => "render"
    "class" => "Twig\TemplateWrapper"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/framework-bundle/Controller/AbstractController.php"
    "line" => 448
    "function" => "render"
    "class" => "Twig\Environment"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/framework-bundle/Controller/AbstractController.php"
    "line" => 453
    "function" => "doRenderView"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/framework-bundle/Controller/AbstractController.php"
    "line" => 253
    "function" => "doRender"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/src/Controller/ArticleController.php"
    "line" => 277
    "function" => "render"
    "class" => "Symfony\Bundle\FrameworkBundle\Controller\AbstractController"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 181
    "function" => "show"
    "class" => "App\Controller\ArticleController"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 76
    "function" => "handleRaw"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/Kernel.php"
    "line" => 197
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php"
    "line" => 35
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\Kernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    "line" => 29
    "function" => "run"
    "class" => "Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/public/index.php"
    "line" => 5
    "args" => [
      "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    ]
    "function" => "require_once"
  ]
]
Symfony\Component\Security\Http\Firewall\ContextListener:171
Show trace 
[
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/security-http/Firewall/ContextListener.php"
    "line" => 171
    "function" => "remove"
    "class" => "Symfony\Component\HttpFoundation\Session\Session"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/event-dispatcher/Debug/WrappedListener.php"
    "line" => 116
    "function" => "onKernelResponse"
    "class" => "Symfony\Component\Security\Http\Firewall\ContextListener"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/event-dispatcher/EventDispatcher.php"
    "line" => 220
    "function" => "__invoke"
    "class" => "Symfony\Component\EventDispatcher\Debug\WrappedListener"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/event-dispatcher/EventDispatcher.php"
    "line" => 56
    "function" => "callListeners"
    "class" => "Symfony\Component\EventDispatcher\EventDispatcher"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php"
    "line" => 139
    "function" => "dispatch"
    "class" => "Symfony\Component\EventDispatcher\EventDispatcher"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 214
    "function" => "dispatch"
    "class" => "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 202
    "function" => "filterResponse"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/HttpKernel.php"
    "line" => 76
    "function" => "handleRaw"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/http-kernel/Kernel.php"
    "line" => 197
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\HttpKernel"
    "type" => "->"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php"
    "line" => 35
    "function" => "handle"
    "class" => "Symfony\Component\HttpKernel\Kernel"
    "type" => "->"
  ]
  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    "line" => 29
    "function" => "run"
    "class" => "Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner"
    "type" => "->"
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  [
    "file" => "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/public/index.php"
    "line" => 5
    "args" => [
      "/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/vendor/autoload_runtime.php"
    ]
    "function" => "require_once"
  ]
]

Flashes

Flashes

No flash messages were created.

Server Parameters

Server Parameters

Defined in .env

Key Value
APP_ENV 
"dev"
APP_SECRET 
"0a988e63f011514eaabfc650b599af4d"
CORS_ALLOW_ORIGIN 
"*"
DATABASE_URL 
"mysql://bbndb_rctuser:33F5W25z40or0f7@localhost:3306/rct_bbntimes"
GOOGLE_RECAPTCHA_SECRET_KEY 
"6LdV5fgpAAAAANxzTG8ZMfIjil1wu-1vrQvnUt-x"
GOOGLE_RECAPTCHA_SITE_KEY 
"6LdV5fgpAAAAAENKcn73MJAhQrbtQeqgyC4wDLMP"
MAILER_DSN 
"smtp://no-reply%40rct.dev.bbntimes.com:Bl6%26gLD48%26Of919@rct.dev.bbntimes.com:465"
MARIADB_PASSWORD 
"i!87pK&!85ezc8"

Defined as regular env variables

Key Value
APP_DEBUG 
"1"
BASE 
"/public"
CONTEXT_DOCUMENT_ROOT 
"/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com"
CONTEXT_PREFIX 
""
DOCUMENT_ROOT 
"/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com"
FCGI_ROLE 
"RESPONDER"
GATEWAY_INTERFACE 
"CGI/1.1"
HTTPS 
"on"
HTTP_ACCEPT 
"*/*"
HTTP_ACCEPT_ENCODING 
"gzip, br, zstd, deflate"
HTTP_CONNECTION 
"close"
HTTP_COOKIE 
"PHPSESSID=tk64i1lki5tia9s0pmq4hgarut"
HTTP_HOST 
"rct.dev.bbntimes.com"
HTTP_USER_AGENT 
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY 
"0"
PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY 
"0"
PATH 
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
PHP_SELF 
"/public/index.php"
PP_CUSTOM_PHP_CGI_INDEX 
"plesk-php81-fastcgi"
PP_CUSTOM_PHP_INI 
"/var/www/vhosts/system/rct.dev.bbntimes.com/etc/php.ini"
QUERY_STRING 
""
REDIRECT_BASE 
"/public"
REDIRECT_HTTPS 
"on"
REDIRECT_PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY 
"0"
REDIRECT_PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY 
"0"
REDIRECT_REDIRECT_HTTPS 
"on"
REDIRECT_REDIRECT_PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY 
"0"
REDIRECT_REDIRECT_PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY 
"0"
REDIRECT_REDIRECT_SCRIPT_URI 
"https://rct.dev.bbntimes.com/science/understanding-the-science-of-reverse-osmosis"
REDIRECT_REDIRECT_SCRIPT_URL 
"/science/understanding-the-science-of-reverse-osmosis"
REDIRECT_REDIRECT_SSL_TLS_SNI 
"rct.dev.bbntimes.com"
REDIRECT_REDIRECT_STATUS 
"200"
REDIRECT_REDIRECT_UNIQUE_ID 
"Z7nN6biBoyj8JZ8-HGx-7gAAAA8"
REDIRECT_SCRIPT_URI 
"https://rct.dev.bbntimes.com/science/understanding-the-science-of-reverse-osmosis"
REDIRECT_SCRIPT_URL 
"/science/understanding-the-science-of-reverse-osmosis"
REDIRECT_SSL_TLS_SNI 
"rct.dev.bbntimes.com"
REDIRECT_STATUS 
"200"
REDIRECT_UNIQUE_ID 
"Z7nN6biBoyj8JZ8-HGx-7gAAAA8"
REDIRECT_URL 
"/public/science/understanding-the-science-of-reverse-osmosis"
REMOTE_ADDR 
"18.117.11.6"
REMOTE_PORT 
"57970"
REQUEST_METHOD 
"GET"
REQUEST_SCHEME 
"https"
REQUEST_TIME 
1740230121
REQUEST_TIME_FLOAT 
1740230121.4752
REQUEST_URI 
"/science/understanding-the-science-of-reverse-osmosis"
SCRIPT_FILENAME 
"/var/www/vhosts/dev.bbntimes.com/rct.dev.bbntimes.com/public/index.php"
SCRIPT_NAME 
"/public/index.php"
SCRIPT_URI 
"https://rct.dev.bbntimes.com/science/understanding-the-science-of-reverse-osmosis"
SCRIPT_URL 
"/science/understanding-the-science-of-reverse-osmosis"
SERVER_ADDR 
"5.196.1.209"
SERVER_ADMIN 
"[no address given]"
SERVER_NAME 
"rct.dev.bbntimes.com"
SERVER_PORT 
"443"
SERVER_PROTOCOL 
"HTTP/1.1"
SERVER_SIGNATURE 
"<address>Apache Server at rct.dev.bbntimes.com Port 443</address>\n"
SERVER_SOFTWARE 
"Apache"
SSL_TLS_SNI 
"rct.dev.bbntimes.com"
SYMFONY_DOTENV_VARS 
"APP_ENV,APP_SECRET,DATABASE_URL,MARIADB_PASSWORD,CORS_ALLOW_ORIGIN,MAILER_DSN,GOOGLE_RECAPTCHA_SECRET_KEY,GOOGLE_RECAPTCHA_SITE_KEY"
UNIQUE_ID 
"Z7nN6biBoyj8JZ8-HGx-7gAAAA8"

Sub Requests 6

CookieController :: renderAnalysis (token = 172a92)

Key Value
_controller 
"App\Controller\CookieController::renderAnalysis"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"fb01fe"

AppController :: renderHeader (token = 2e01ce)

Key Value
_controller 
"App\Controller\AppController::renderHeader"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"443f18"
slug 
"home"

ArticleController :: trendingArticle (token = cff0d7)

Key Value
_controller 
"App\Controller\ArticleController::trendingArticle"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"bddc56"
category 
"Science"

ArticleController :: relatedArticles (token = 518a63)

Key Value
_controller 
"App\Controller\ArticleController::relatedArticles"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"e2d3a2"
current_article 
App\Entity\Article {#1094
  -id: 5817
  -title: "Understanding the Science of Reverse Osmosis"
  -slug: "understanding-the-science-of-reverse-osmosis"
  -introtext: "<p>Reverse osmosis (RO) is a water purification process that plays a crucial role in producing clean and potable water.</p>\r\n"
  -content: """
    \r\n
    <p>Understanding the science behind reverse osmosis can shed light on its significance and widespread application.</p>\r\n
    <p>In the developed world, we often take clean water for granted. We turn the tap and have a liquid that's safe to drink in the comfort of our own homes. In many places around the globe, however, it isn't that simple. More than 2 billion people lack access to improved sanitation facilities, and 1.8 billion use a source of water contaminated by faeces.&nbsp;</p>\r\n
    <p>Reverse osmosis is one of the methods scientists employ to provide safe and clean resources to the people that need it the most. Yet how does it work?</p>\r\n
    <h2>Reverse Osmosis Defined</h2>\r\n
    <p>First, let's look at the definition of reverse osmosis. The industry defines it as a process by which a liquid, such as water, passes through a semipermeable membrane while subjected to high pressures.&nbsp;If you're not a scientist or familiar with hydrodynamics, however, it might seem like an over-complicated way to define filtration. Let's break this definition down and explore the science behind it.&nbsp;</p>\r\n
    <h2>How Does Reverse Osmosis Work?</h2>\r\n
    <p><span style="color: #000000;">To understand&nbsp;</span>reverse osmosis, <span style="color: #000000;">first, we need to understand osmosis.</span> In biology and chemistry, the process of osmosis occurs when a liquid passes through a semipermeable membrane from a concentrated solution into a less concentrated one until both sides of the membrane equalize and the liquid stops travelling. When a plant absorbs water, it does so through osmosis. The liquid outside&nbsp;moves&nbsp;into the root cells via osmosis until they're saturated. Then, it stops until it needs more water.&nbsp;</p>\r\n
    <p>Reverse osmosis works much the same way, except in reverse. Instead of moving from a concentrated area to a less concentrated one, the water or other liquid remain at high pressures, travelling through the membrane in reverse order.&nbsp;</p>\r\n
    <p>This process doesn't just remove large particles and contaminants like dirt and debris from drinking water. It can also eradicate bacteria and other single-cell organisms that can make you sick if consumed. Freshwater is less concentrated than the waste or brine left over after reverse osmosis because it contains more contaminants. The resulting fluid is usually safe to drink.&nbsp;</p>\r\n
    <p>Reverse osmosis systems also contain a sediment filter that removes large particles, as well as a carbon filter that removes volatile organic compounds (VOCs) and other chemicals that might affect the taste of water.&nbsp;</p>\r\n
    <h2>Reverse Osmosis vs. Other Filtration Methods</h2>\r\n
    <p>How does reverse osmosis stack up against other types of filtration? That depends on what you must remove from the water and how you plan to use it. Microfiltration, for example, blocks bacteria and suspended solids from passing through, but doesn't keep viruses out of the supply. Ultrafiltration takes the process one step further and blocks viruses, but it doesn't stop monovalent and multivalent ions from passing through.</p>\r\n
    <p>Nanofiltration and ultrafiltration are very similar — some nanofiltration systems block multivalent ions, but not all of them. Reverse osmosis, however, blocks everything except liquid from passing through, making it the best choice for potable drinking water.&nbsp;</p>\r\n
    <p>As businesses and consumers pay more attention to their water footprints, reverse osmosis and water reuse will start to become mainstream. In the United States, the country's water stress ratio, the amount of freshwater withdrawn from the total renewable supply, is between 20% and 40%. This type of filtration could reduce water stress and ensure there's enough for everyone to drink their fill.&nbsp;</p>\r\n
    <h2>Reverse Osmosis for Desalination</h2>\r\n
    <p>The majority the Earth's surface is underwater, but most of it isn't drinkable. In fact, 97% of the planet's water supply exists as saltwater in our oceans. The remaining 3% is fresh and drinkable, but around 66% stays frozen in the ice caps. That means that all 7 billion people in the world survive on a scant 1% of the available water supply.&nbsp;</p>\r\n
    <p>The science behind reverse osmosis doesn't just mean we can clean existing freshwater supplies and make them potable again. It's also a valuable tool for desalination, the practice of removing salt from ocean water. Forcing pressurized water through that semipermeable membrane doesn't just remove bacteria, virus and ions — it can remove the salt that's present in the water as well, making it safe to drink.&nbsp;</p>\r\n
    <p>By 2030, experts predict there will be a 40% gap between the water demand and the amount available. To ensure people don't go without,&nbsp; it's essential to find new means of creating potable resources. Fortunately, reverse osmosis could be the answer.&nbsp;With this technology, the vast amount of seawater that surrounds our cities could become a valuable supply.</p>\r\n
    <h2>Water for Everyone With Reverse Osmosis</h2>\r\n
    <p>Reverse osmosis isn't a new technology. However, as the planet's population grows and water scarcity becomes a widespread concern, it will likely become our best tool for ensuring everyone has access to clean and safe supplies. We will always need this fluid to survive. Reverse osmosis gives us the tools necessary to provide for everyone on Earth.&nbsp;</p>
    """
  -user: Proxies\__CG__\App\Entity\User {#1092 …}
  -createdAt: DateTime @1702630832 {#1145
    date: 2023-12-15 09:00:32.0 UTC (+00:00)
  }
  -updatedAt: DateTime @1702630974 {#1150
    date: 2023-12-15 09:02:54.0 UTC (+00:00)
  }
  -deletedAt: null
  -category: App\Entity\Category {#445 …}
  -status: "published"
  -imageCard: Proxies\__CG__\App\Entity\File {#1184 …}
  -ImageHeader: Proxies\__CG__\App\Entity\File {#1184 …}
  -featured: false
  -mainView: false
  -clicks: 2242
  -comments: Doctrine\ORM\PersistentCollection {#1125 …}
  -reviewed_at: DateTime @1702630832 {#1148
    date: 2023-12-15 09:00:32.0 UTC (+00:00)
  }
  -metakey: "science of reverse osmosis"
  -metadesc: "Reverse osmosis (RO) is a water purification process that plays a crucial role in producing clean and potable water."
  -robots: null
  -publishedAt: DateTime @1702630832 {#1147
    date: 2023-12-15 09:00:32.0 UTC (+00:00)
  }
  -canonical: null
  -superTag: null
}

AppController :: renderFooter (token = b8bdd9)

Key Value
_controller 
"App\Controller\AppController::renderFooter"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"4f8c69"

CookieController :: renderCookie (token = 26b7f4)

Key Value
_controller 
"App\Controller\CookieController::renderCookie"
_format 
"html"
_locale 
"en"
_stopwatch_token 
"499c75"