"; //Subtraction echo $num1 - $num2; echo ' Subtraction'."
"; //Multiplication echo $num1 * $num2; echo ' Multiplication'."
"; //Division echo $num1 / $num2; echo " Division"."
"; //Modulus - reminder int //If you use floating point numbers with the modulus operator, they will be converted to integers before the operation. echo $num1 % $num2; echo " Modulus"."
"; //Power echo $num1 ** $num2; echo " Power"."
"; //sve zajedno floor division // intdiv echo intdiv($num1, $num2); //1 echo " Intdiv"."
"; // floor - lower value echo floor($num1 / $num2); //1 echo " Floor"."
"; // ceil - higher value echo ceil($num1 / $num2); //1 echo " Ceil"."
"; // intval - take lower number - for 2,66 result is 2 echo intval($num1 / $num2); echo " Intval"."
"; // round, without second parameter return integer - 2,45 -> 2; 2,55 -> 3 echo round($num1 / $num2, 2); echo " Round, 2"."
"; /*One of the best uses for modulus is when you are counting and you want to cycle through a set of options. Set $i++ for some event.*/ $i = 15; if ($i%4==0) { echo "Spring"; } if ($i%4==1) { echo "Summer"; } if ($i%4==2) { echo "Autumn"; } if ($i%4==3) { echo "Winter"; } echo "
"; //Example - Day in week according to position in year. First day in year is anticipated to be Monday in this case. $dayCounted = 367; if ($dayCounted > 0 && $dayCounted < 366) { if ($dayCounted % 7 == 1) { echo "Monday"; } if ($dayCounted % 7 == 2) { echo "Tuesday"; } if ($dayCounted % 7 == 3) { echo "Wednesday"; } if ($dayCounted % 7 == 4) { echo "Thursday"; } if ($dayCounted % 7 == 5) { echo "Friday"; } if ($dayCounted % 7 == 6) { echo "Saturday"; } if ($dayCounted % 7 == 0) { echo "Sunday"; } } else { echo "Input number between 1 and 365"; } echo "
"; //Just so you know all floating point numbers round down first before modulus so 14, 14.2, 14.5, and 14.9 all round down, truncated/cut off. to 14. Then the modulo would be performed. //Usage - Pagination - to determine number of pages according to number of elements $numberOfElements = 36; $num_per_page = 10; if ($numberOfElements % $num_per_page != 0) { $pages = intval($numberOfElements / $num_per_page) + 1; } else { $pages = $numberOfElements / $num_per_page; } echo "We need ".$pages." pages."; ?>

php 4 My code 2019/08/29 23:29