<?php $arr = [1888.8861,1888.8851,1888.8841,1888.8881]; Foreach($arr as &$num){ $parts = str_split($num); If($parts[count($parts)-2]%2 ==0){ // Even $num = implode("",array_slice($parts,0,count($parts)-2)); }Else{ // Odd Echo $parts[count($parts)-3]+1; $num = implode("",array_slice($parts,0,count($parts)-3)).($parts[count($parts)-3]+1); } } Var_dump($arr);
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