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run code in 300+ PHP versions simultaneously
<?php function increment($val, $increment = 2) { for ($i = 1; $i <= $increment; $i++) { $val++; } return $val; } $var = increment('a'); var_dump($var);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(1) "c"

preferences:
166.15 ms | 404 KiB | 226 Q