how to read out password_hash php code example

Example 1: php hash password

/* New password. */
$password = $_POST['password'];

/* Remember to validate the password. */

/* Create the new password hash. */
$hash = password_hash($password, PASSWORD_DEFAULT);

Example 2: php hash password

<?php
/**
 * We just want to hash our password using the current DEFAULT algorithm.
 * This is presently BCRYPT, and will produce a 60 character result.
 *
 * Beware that DEFAULT may change over time, so you would want to prepare
 * By allowing your storage to expand past 60 characters (255 would be good)
 */
echo password_hash("rasmuslerdorf", PASSWORD_DEFAULT);
?>