Snippets

Snippet Library

Practical pure PHP patterns that are easy to study, adapt and use.

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IP Risk Normalization Workflow

Normalizes an inbound IP address into a safe risk-review structure without trusting spoofable forwarding headers by default.

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Upload Quarantine Ticket Builder

Builds a safe quarantine ticket for an uploaded file before any permanent storage or public serving decision is made.

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Secure Download Token Envelope

Creates and verifies a signed download token envelope containing a file ID, user ID, and expiration timestamp.

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Webhook Replay Window Check

Validates a webhook timestamp and signature so replayed or stale callback requests can be rejected.

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Redacted Audit Context Builder

Builds an audit-log context array while redacting sensitive fields before the data is stored or displayed.

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Password Upgrade Review Plan

Checks a stored password hash and reports whether the hash should be upgraded after a successful login.

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Admin Permission Matrix Check

Checks an admin role permission matrix and returns whether a specific controller action is allowed.

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Rate Limit Bucket Snapshot

Builds a deterministic rate-limit bucket key and snapshot for login, form, or API throttling decisions.

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CSV Header Contract Validator

Validates a CSV header row against required and optional column contracts before importing file data.

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CSV Import Row Normalizer

Normalizes one CSV data row into named fields by using a validated header position map.

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JSON Lines Export Stream Plan

Builds a JSON Lines export plan that defines headers, filename, chunk size, and line encoding behavior.

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Large Export Checkpoint State

Creates and advances checkpoint state for a large export that is processed in bounded chunks.

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