Checking Context Availability in Laravel

Context validation in Laravel gets simpler with the new missing() and missingHidden() methods, providing clean boolean checks for key existence.

When working with Laravel's Context service, you often need to check if specific keys exist before using them. The new missing() and missingHidden() methods provide a straightforward way to verify context availability.

// Add values to context
Context::add('url', $request->url());
Context::addHidden('token', $request->bearerToken());

// Check if regular keys are missing
Context::missing('url');         // false
Context::missing('missing_key'); // true

// Check if hidden keys are missing
Context::missingHidden('url');   // true (it's not a hidden key)
Context::missingHidden('token'); // false

These methods provide a cleaner alternative to negating has() checks, making your code more readable when checking for missing context values.

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