Hash Functions

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- PHP Manual
- Hash
- Hash Functions

# Hash Functions

## Table of Contents

- hash_algos — Return a list of registered hashing algorithms
- hash_copy — Copy hashing context
- hash_equals — Timing attack safe string comparison
- hash_file — Generate a hash value using the contents of a given file
- hash_final — Finalize an incremental hash and return resulting digest
- hash_hkdf — Generate a HKDF key derivation of a supplied key input
- hash_hmac_algos — Return a list of registered hashing algorithms suitable for hash_hmac
- hash_hmac_file — Generate a keyed hash value using the HMAC method and the contents of a given file
- hash_hmac — Generate a keyed hash value using the HMAC method
- hash_init — Initialize an incremental hashing context
- hash_pbkdf2 — Generate a PBKDF2 key derivation of a supplied password
- hash_update_file — Pump data into an active hashing context from a file
- hash_update_stream — Pump data into an active hashing context from an open stream
- hash_update — Pump data into an active hashing context
- hash — Generate a hash value (message digest)