password_get_info()
password_get_info() — Returns information about the given hash.
Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.5.0, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
When passed in a valid hash created by an algorithm supported by password_hash(), this function will return an array of information about that hash.
Signature
password_get_info(string $hash): array
Parameters
| Parameter | Type | What it takes |
|---|---|---|
| $hash | string | A hash created by password_hash(). |
Return value
Returns an associative array with three elements: algo, which will match a password algorithm constant algoName, which has the human readable name of the algorithm options, which includes the options provided when calling password_hash() algo, which will match a password algorithm constant algoName, which has the human readable name of the algorithm options, which includes the options provided when calling password_hash()
Example
The PHP manual ships no example for password_get_info(); the signature and the parameter table above are the contract.
All PHP 8.5 built-in functions
Reference card built from the PHP manual page password_get_info() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.