note 101556 added to language.operators.bitwise

A better XNOR function: function xnor($a, $b) { return (~($a ^ $b)===-1)?true:false; } Test it with: echo "<pre>"; echo "\nvar_dump(xnor(true, true))\n"; echo var_dump(xnor(true, true)); echo "\nvar_dump(xnor(true, false))\n"; echo var_dump(xnor(true, false)); echo "\nvar_dump(xnor(false, true))\n"; echo var_dump(xnor(false, true)); echo "\nvar_dump(xnor(false, false))\n"; echo var_dump(xnor(false, false)); echo "</pre>"; ---- Server IP: 69.147.83.197 Probable Submitter: 94.81.55.26 ---- Manual Page -- http://www.php.net/manual/en/language.operators.bitwise.php Edit -- https://master.php.net/note/edit/101556 Del: integrated -- https://master.php.net/note/delete/101556/integrated Del: useless -- https://master.php.net/note/delete/101556/useless Del: bad code -- https://master.php.net/note/delete/101556/bad+code Del: spam -- https://master.php.net/note/delete/101556/spam Del: non-english -- https://master.php.net/note/delete/101556/non-english Del: in docs -- https://master.php.net/note/delete/101556/in+docs Del: other reasons-- https://master.php.net/note/delete/101556 Reject -- https://master.php.net/note/reject/101556 Search -- https://master.php.net/manage/user-notes.php