3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $input = array( array( 'tag_name' => 'google' ), array( 'tag_name' => 'technology' ) ); foreach ($input as $arr) { $inputs .= $arr["tag_name"] . ","; } echo $inputs;
based on R4Num
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: inputs in /in/N3RYj on line 12 google,technology,
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: inputs in /in/N3RYj on line 12 google,technology,