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<?php $str = "45-04-2013"; $s1 = strtok($str,"-"); $s2 = strtok("-"); $s3 = strtok("\n"); echo ("$s1 $s2 $s3"); $num = intval($s2) +4; echo (" $num\n"); echo(strtotime('16-04-2013 +4 days')); ?>

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38.76 ms | 402 KiB | 5 Q