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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a1 = array('a1','a2', 'a3','a4'); $result=""; foreach ($a1 as $a2) { $result.='"'.$a2.'"'; } echo $result;
Output for 4.3.0 - 7.1.10
"a1""a2""a3""a4"