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@ 2019-05-12T08:52:27Z

<?php

$data = array (
  1 => array (
    'symbol' => 'salad'
  ),
  2 => array (
    'symbol' => 'wine' 
  ),
  3 => array (
    'symbol' => 'beer'
  )
);
$res  = implode("bar,", array_column($data, 'symbol'))."bar";
echo $res;

Output
Performance
VLD
References
Branches

array_column: documentation ( source)
implode: documentation ( source)

preferences:dark modelive preview

28.56 ms | 402 KiB | 5 Q