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@ 2018-03-13T06:08:08Z

<?php

$arr = array
(
    0 => '2,2-0-tc',
    1 => '2-0',
    2 => '2-0-tc',
    3 => '3,3-0-sc-v6',
    4 => '3-0-sc-v6',
    5 => '3-0sc-v6',
    6 => '5-0-sc-v8'
);

$newArr = [];
foreach($arr as $key=>$val){ 
    $temp = explode (',', $val);
    foreach($temp as $new){
        $newArr[$new] = $val;
    }
}
print_r($newArr);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
explode: documentation ( source)

preferences:dark modelive preview

51.77 ms | 402 KiB | 5 Q