3v4l.org

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<?php $a = 'ò'; $b = ~$a; echo $a.", ".$b; for ($t=0; $t<strlen($b); $t++) echo "[".ord(substr($b, $t, 1))."] ";
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 - 5.6.26, 5.6.28 - 5.6.29, 5.6.31 - 5.6.40, 7.0.0 - 7.0.3, 7.0.5 - 7.0.18, 7.0.20 - 7.0.33, 7.1.0, 7.1.2 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.1.28, 8.2.15 - 8.2.18, 8.3.2 - 8.3.6
ò, <M[60] [77]
Output for 5.6.27, 5.6.30, 7.0.4, 7.0.19, 7.1.1

Process exited with code 137.
preferences:
216.61 ms | 402 KiB | 335 Q