note 126829 added to function.intdiv

Python style integer division, where the result is always rounded towards minus infinity. 1 // 2 is 0 (-1) // 2 is -1 1 // (-2) is -1 (-1) // (-2) is 0 <?php function intdiv_py(int $num1, int $num2): int{ if ($num1 < 0 xor $num2 < 0){ $num1 = abs($num1); $num2 = abs($num2); $remainder = $num1 % $num2; return $remainder ? -1 -($num1 - $remainder) / $num2 : -$num1 / $num2; } return intdiv($num1, $num2); } var_dump(intdiv_py(1, 2)); // 0 var_dump(intdiv_py(-1, 2)); // -1 var_dump(intdiv_py(1, -2)); // -1 var_dump(intdiv_py(-1, -2)); // 0 ?> ---- Server IP: 45.112.84.4 Probable Submitter: 80.90.5.135 (proxied: 81.202.57.120) ---- Manual Page -- https://php.net/manual/en/function.intdiv.php Edit -- https://main.php.net/note/edit/126829 Del: integrated -- https://main.php.net/note/delete/126829/integrated Del: useless -- https://main.php.net/note/delete/126829/useless Del: bad code -- https://main.php.net/note/delete/126829/bad+code Del: spam -- https://main.php.net/note/delete/126829/spam Del: non-english -- https://main.php.net/note/delete/126829/non-english Del: in docs -- https://main.php.net/note/delete/126829/in+docs Del: other reasons-- https://main.php.net/note/delete/126829 Reject -- https://main.php.net/note/reject/126829 Search -- https://main.php.net/manage/user-notes.php