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<?php mb_internal_encoding ('utf-8'); $text = "А роза упала на лапу азора"; $result = "палиндром"; $text = mb_strtolower($text); $text = str_replace (" ", "", $text); $a = mb_strlen ($text); $x = floor ($a/2); for ($i =0 ; $i <=$x; $i++) { $wordEnd = substr ($x, -1); $wordStart = substr ($x, 0); if ($wordEnd != $wordStart){ break; echo "Не палиндром"; } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12

preferences:
148.18 ms | 407 KiB | 5 Q