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run code in 500+ PHP versions simultaneously
<?php namespace NS; function ff() { var_dump(__FUNCTION__); } function run(callable $f) { $f(); } run('NS\ff');
Output for 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
string(5) "NS\ff"
preferences:
104.05 ms | 1504 KiB | 4 Q