3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a1 = array('a1','a2', 'a3','a4'); foreach ($a1 as $a2) { //$result='"'.implode("','",$a2).'"'; echo $a2; } echo $result;
Output for 5.0.4 - 7.1.0
a1a2a3a4 Notice: Undefined variable: result in /in/djkRe on line 10
Output for 4.3.0 - 5.0.3
a1a2a3a4 Notice: Undefined variable: result in /in/djkRe on line 10