Online PHP editor | refs for GbOo4

<?php $str = ''; $hashes = array(); $options = array( 'cost' => 4, 'salt' => '1234567890123456789012', ); do { $str .= '0'; $hashes[] = password_hash($str, PASSWORD_BCRYPT, $options); if (count(array_unique($hashes)) === count($hashes)) $allUnique = true; else $allUnique = false; } while($allUnique); echo "Stopped at " . strlen($str) . " characters before truncation was detected...\n\n"; $lst = array_pop($hashes); $stl = array_pop($hashes); echo "$stl\n$lst";