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<?php function CE50($CEINPUT) { $CE50 = $CEINPUT; $CE50 = str_replace("a", ")`", $CE50); $CE50 = str_replace("b", "(~", $CE50); $CE50 = str_replace("c", "*`", $CE50); $CE50 = str_replace("d", "&~", $CE50); $CE50 = strrev(substr($CE50, 0, 50)); return $CE50; } echo CE50("abccbaaabc"); ?>
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.3.6
`*~(`)`)`)~(`*`*~(`)

preferences:
166.8 ms | 406 KiB | 313 Q