3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dumb(string $input): string { $length = mb_strlen($input); if ($length > 10) { return mb_substr($input, 0, 6); } $newSymbols = 1000000 - $length; for ($i = 0; $i < $newSymbols; $i++) { $input .= 'o'; } return $input; } dumb('aaaaaaa'); // echo dumb('aaaaaaaaaaaaaaaaaaaa') . PHP_EOL; // echo dumb('aaaaaaa') . PHP_EOL;
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
141.3 ms | 403 KiB | 149 Q