3v4l.org

run code in 500+ PHP versions simultaneously
<?php $distance = 10; var_dump("-{$distance} hours"); var_dump((-$distance) . " hours");
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
string(9) "-10 hours" string(9) "-10 hours"

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