在PHP 中使用round()函数显示一个数字到两位小数 round()函数用于舍入数字或浮点数。我们可以将数字四舍五入到所需的小数位。使用此函数的正确语法如下 round($number,$decimalPlaces,$mode); 示例代码: <?php$number1=5;$number2=34.6;$number3=15439.093;$format_number1=round($number1,2);$format_number...
Useround()Function to Show a Number to Two Decimal Places in PHP To round a number or float value, we can make use of theround()function. With this function, we can specify the number of decimal places to round to. To use this function correctly, adhere to the following syntax. round...
} else { // cents $money = number_format(round($number, 2), ($cents == 0 ? 0 : 2)); // format } // integer or decimal } // value return '$'.$money; } // numeric} // formatMoney$a = array(1, 1234, 1.5, 1.234, 2.345, 2.001, 2.100, '1.000', '1.2345', '12345',...
PHP_EOL;var_dump(round( 1.55, 1, PHP_ROUND_HALF_ODD));var_dump(round(-1.55, 1, PHP_ROUND_HALF_ODD));?> 以上例程会输出: Using PHP_ROUND_HALF_UP with 1 decimal digit precision float(1.6) float(-1.6) Using PHP_ROUND_HALF_DOWN with 1 decimal digit precision float(1.5) float(-...
The round function can be used to round a number to the nearest integer or to a specific number of decimal places. For example, the following code will round the number 3.14159 to two decimal places:<?php $num = 3.14159; $rounded = round($num, 2); print $rounded; // Output: 3.14 ...
If you want the original number in a format that has two decimal places, then you can simply use PHP’snumber_formatfunction like so: //Round it to two decimal places. $originalNum = number_format($originalNum, 2); echo $originalNum; ...
PHP thinks that 1.6 (coming from a difference) is not equal to 1.6. To make it work, use round() var_dump(round($x, 2) == round($y, 2)); // this is true This happens probably because $x is not really 1.6, but 1.599999.. and var_dump shows it to you as being 1.6.[#5...
// roundBetterDown(1001, -3) => 1000 functionroundBetterDown($number,$precision=0,$mode=PHP_ROUND_HALF_UP) { returnroundBetter($number,$precision,$mode,'down'); } ?> seppili_ at gmx dot de(05-Mar-2010 04:52) I use this function to floor with decimals: ...
PHP thinks that 1.6 (coming from a difference) is not equal to 1.6. To make it work, use round() var_dump(round($x, 2) == round($y, 2)); // this is true This happens probably because $x is not really 1.6, but 1.599999.. and var_dump shows it to you as being 1.6. ...
'function roundout($value, $places = 0) {': This line defines a function named 'roundout' that takes two parameters: '$value' (the number to be rounded) and '$places' (the number of decimal places to round to, defaulting to 0 if not provided). 'if ($places < 0) { $places =...