/** * Returns a <code>Boolean</code> with a value represented by the * specified string. The <code>Boolean</code> returned represents a * true value if the string argument is not <code>null</code> * and is equal, ignoring case, to the string {@code "true"}. * * @param s a string. * @return the <code>Boolean</code> value represented by the string. */ public static function valueOf($value) { $b = new Boolean($value); return $b->toNative(); }