password_hash + microtime
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<?php
echo phpversion().PHP_EOL;
$mypassword = 'babydonthurtme';
$micro1 = microtime();
$oldHash = password_hash($mypassword, PASSWORD_BCRYPT);
$micro2 = microtime();
$newHash = password_hash($mypassword, PASSWORD_ARGON2I);
$micro3 = microtime();
var_dump(
password_verify($mypassword, $oldHash),
password_verify($mypassword, $newHash)
);
var_dump($micro2 - $micro1);
var_dump($micro3 - $micro2);
Php
INFO