php man page for password_get_info

PASSWORD_GET_INFO(3)							 1						      PASSWORD_GET_INFO(3)

password_get_info - Returns information about the given hash

SYNOPSIS
       array password_get_info (string	$hash)

DESCRIPTION
	When passed in a valid hash created by an algorithm supported by password_hash(3), this function will return an array of information about
       that hash.

PARAMETERS
	      o $hash
		- A hash created by password_hash(3).

RETURN VALUES
	Returns an associative array with three elements:

	      o algo, which will match a password algorithm constant

	      o algoName, which has the human readable name of the algorithm

	      o options, which includes the options provided when calling password_hash(3)

PHP Documentation Group 												      PASSWORD_GET_INFO(3)