Is === in PHP binary-safe in string comparison?
<p>Php functions <code>strcmp</code>, <code>strcasecmp</code> and other from this family are binary-safe.</p>

<p>Are operators <code>==</code> and <code>===</code> binary-safe? </p>

<p>And if yes what should be used in binary-safe string comparison: functions or operator?</p>

<p>(<em>binary-safe</em>: "operator or function that can be applied to variables without altering their current state")</p>
