\nI was reading about PHP’s intval function today. It’s meant, as I understand, to convert a decimal number to an integer, by just keeping the integer part. Putting it in comp sci terminology, intval(the_num) is supposed to truncate the_num rather than rounding it.<\/p>\n
\nI found, at php.net<\/a>, a post from 24 years ago by a user called zak at php dot net, wherein he points out that intval((0.1 + 0.7)*10) will likely give the answer 7, not 8.<\/p>\n \nI assumed that, since the post was from 24 years ago, a fix would likely have been applied to PHP since then. Yet curious, I tried it on a playground as well as on a server.<\/p>\n \nSome results I seemed to get were that intval((0.1 + 0.7)*10) gives 7, as zak said 24 years ago. However, intval((0.2 + 0.7)*10) gives 9.<\/p>\n \nInteresting, eh?<\/p>\n \nphp-play.dev<\/a><\/p>\nJack of Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p> \n","protected":false},"excerpt":{"rendered":" Self-tutoring about PHP’s intval function: the tutor mentions a surprise. I was reading about PHP’s intval function today. It’s meant, as I understand, to convert a decimal number to an integer, by just keeping the integer part. Putting it in …<\/p>\n