3v4l.org

run code in 500+ PHP versions simultaneously
<?php function query1($query, ...$params) { return "Hello WOrld" . $query . implode(' :: ', $params); } function query2($query, ...$params) { return query1($query, ...$params); } echo query2("Hello"); echo query2("Hello", 12, 34, 222, 233);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
Hello WOrldHelloHello WOrldHello12 :: 34 :: 222 :: 233
preferences:
110.22 ms | 1980 KiB | 4 Q