<?php
$v=(0.1 + 0.7) * 10;
echo "$v\n";
echo (int)$v."\n";
echo (int)"$v"."\n";
//------------------
$v=(1/10+7/10)*10;
echo "--------\n";
echo "$v\n";
echo (int)$v."\n";
echo (int)"$v"."\n";
//а тут ваще трагедия от перемены мест множетелей результат меняется :)
$v=(1/10+7*1/10)*10;
echo "--------\n";
echo "$v\n";
echo (int)$v."\n";
echo (int)"$v"."\n";
$v=(1/10+1/10*7)*10;
echo "--------\n";
echo "$v\n";
echo (int)$v."\n";
echo (int)"$v"."\n";
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