I'm having a lot of trouble following your code. Part of your problem might be because you seem to be using the wrong variables:

# You assign values to pluralized versions of variables:
($ips,$times,$locationold,$titles)=split('×',$lines);

# Then you *use* singular versions of those variables:
$line="$ip×$time×$place×$title";
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Where is $ip set? Please run your script with use strict; in effect and with warnings (-w or use warnings;) enabled. You will probably catch most of your problems by doing that. Also, what are you trying to do with these:

${$location}{online}
${$loc}{online}
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Are those two references written correctly? Hope this helps.