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run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match_all('/(?:"?([^"]*)"?\s)?(?:<?(.+@[^>]+)>?)/', 'John <johndoe@example.com>', $name_and_tags); echo $name_and_tags;
Output for 5.4.0 - 7.1.0
Notice: Array to string conversion in /in/flbs3 on line 4 Array
Output for 4.3.0 - 5.3.29
Array