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run code in 500+ PHP versions simultaneously
<?php const PERMANENT = -1; $max_ages = array_fill(0, 1000, 2345); $max_ages[500] = PERMANENT; if (in_array(PERMANENT, $max_ages)) { $max_ages = array_filter($max_ages, function ($max_age) { return $max_age !== PERMANENT; }); }
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