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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(defined("FILTER_VALIDATE_EMAIL"));
Output for 5.2.0 - 7.1.7
bool(true)
Output for 4.3.5 - 5.1.6
bool(false)
Output for 4.3.0 - 4.3.4
int(0)