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@ 2015-04-01T15:35:10Z

<?php

var_dump(
    $_SERVER,
    getenv('lang'),
    getenv('LANG')
);

Output
Performance
VLD
References
Branches

getenv: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

64.99 ms | 402 KiB | 5 Q