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<?php function solution($S) { $length = strlen($S); if ($length == 0) { return false; } elseif ($length == 1) { return true; } else { for ( $i=0; $i < strlen($S); $i++) { if (substr($S, $i, 1) == substr($S, $length - $i, 1)) { continue; } else { return false; } } } return true; } echo solution('anavolimilovana'); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
preferences:
218.99 ms | 406 KiB | 355 Q