<?php
// your code goes here
'26-07-2017 13:12:00',
'27-07-2017 13:12:00',
'28-07-2017 13:12:00',
'27-07-2017 13:40:00',
'28-07-2017 13:40:00',
'29-07-2017 13:17:00',
'30-07-2017 13:17:00',
'31-07-2017 13:17:00',
);
for ($i = 1; $i < $count; ++$i) {
if (date('Ymd', $newarr[$i-1]) === date('Ymd', $newarr[$i])) { }
}
$newarr = array_map(function ($d) { return date('d-m-Y H:i:s', $d); }, $newarr);
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