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#signature
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#php
#kotlin
#bash
#go
#sql
#rust
#typescript
#html
#java
#python
#files
#utils
#strings
#http
#concurrency
#async
#json
#arrays
#security
#types
#crypto
#database
#dates
#format
PHP
HMAC Webhook Signature Verify
Verify an inbound webhook (Stripe / GitHub / etc.) is genuine using HMAC-SHA256 and a shared secret. Includes timestamp tolerance to block replay attacks.
#php
#security
#webhook
#hmac
#signature