When should I use PBKDF2 vs password_hash?

For password storage, use password_hash() with bcrypt or argon2. Use PBKDF2 when you need to derive encryption keys from passwords or for compatibility with systems requiring PBKDF2.

PHP hash_pbkdf2() Function

Hash FunctionPHP 5.5.0+

The hash_pbkdf2() function performs a specific operation.

Syntax

hash_pbkdf2($param): mixed

Parameters

Parameter	Type	Description
`$param`	mixed	Function parameter

Return Value

Returns the result of the operation.

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Output

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Common Use Cases

Data processing
Common PHP operations

Syntax

Parameters

Return Value

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Common Use Cases

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