3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding("UTF-8"); $s="ó12345678\r\n1234\n;"; //$s=utf8_encode("ó12345678\r\n1234\n;") // "ó12345678rn1234n;" // 012345678901234567890 print_r(mb_detect_encoding($s)."\n"); print_r(mb_strlen($s)."\n"); print_r(mb_strpos($s,';')."\n");
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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
UTF-8 17 16
preferences:
298.75 ms | 405 KiB | 460 Q