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run code in 500+ PHP versions simultaneously
<?php function demo($array) { $debug_backtrace = []; end($array); foreach ($array as $key => &$value) { echo "{$value}\r\n"; if ($value == 3) { unset($array[$key]); continue; } $debug_backtrace[] = debug_backtrace(); } } demo([1, 2, 3]);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
1 2 3

preferences:
24.92 ms | 1137 KiB | 7 Q