$array = array_values($array);
http://stackoverflow.com/a/5943165
ref: https://twitter.com/sornram9254/status/737696350146437120
Answer:Rebase array keys after unsetting elements [php]
$array = array_values($array);
http://stackoverflow.com/a/5943165
ref: https://twitter.com/sornram9254/status/737696350146437120
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