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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(is_readable('/dev/urandom'));
Output for 4.3.0 - 7.1.10, 7.2.0
bool(true)
Output for 7.1.20
Warning: is_readable(): open_basedir restriction in effect. File(/dev/urandom) is not within the allowed path(s): (/tmp:/in) in /in/GSYfR on line 3 bool(false)