3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(){ $sum = 0; return function ($i) use($sum) { $sum += $i; return $sum; }; } $myfunc = test(); for($i = 0; $i < 5; $i++){ echo $myfunc($i) . PHP_EOL; }
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
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preferences:
84.92 ms | 1231 KiB | 4 Q