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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(fsockopen("kubo2.wz.sk"));
Output for 5.0.0 - 7.1.7
Warning: fsockopen(): unable to connect to kubo2.wz.sk:-1 (Failed to parse address "kubo2.wz.sk") in /in/fiCJ7 on line 2 bool(false)
Output for 4.3.0 - 4.4.9
bool(false)