ated and scheduled for removal in
CodeIgniter 3.1+.</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">This setting is still available, but you’re strongly encouraged to remove its usage sooner
rather than later.</p>
</div>
</div>
<div class="section" id="string-helper-random-string-types-unique-and-encrypt">
<h3>String helper random_string() types ‘unique’ and ‘encrypt’<a class="headerlink" href="#string-helper-random-string-types-unique-and-encrypt" titl