what is an alternative to password_hash() for (PHP 5 < 5.5.0)?

Question

According to manual: password_hash this function can be used for (PHP 5 >= 5.5.0)

After searching for an alternative way I found this simple function

Answer 1

For versions of PHP > 5.3.7 but prior to 5.5.0, you can find an implementation of password_hash at https://github.com/ircmaxell/password_compat written by the same person that developed the version now implemented in PHP 5.5.0+ and deliberately intended to provide backward compatibility