Php round
From w3cyberlearnings
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PHP function x1
This function rounds a float number specifies by the precision.
Syntax x1
- Val: a number
- precision: dicimal digit to round to
- mode:PHP_ROUND_HALF_UP, PHP_ROUND_HALF_DOWN, PHP_ROUND_HALF_EVEN, or PHP_ROUND_HALF_ODD.
x1(Val, precision, mode);
Example 1
<?php echo round(3.4); echo"<br/>"; echo round(3.6); ?>
Output
3 4
Example 2
<?php echo round(10.5, 0, PHP_ROUND_HALF_UP); // 11 echo "<br/>"; echo round(10.5, 0, PHP_ROUND_HALF_DOWN); // 10 echo "<br/>"; echo round(10.5, 0, PHP_ROUND_HALF_EVEN); // 10 echo "<br/>"; echo round(10.5, 0, PHP_ROUND_HALF_ODD); // 11 echo "<br/>"; ?>
Example 3
<?php echo round(9.5, 0, PHP_ROUND_HALF_UP); // 10 echo "<br/>"; echo round(9.5, 0, PHP_ROUND_HALF_DOWN); // 9 echo "<br/>"; echo round(9.5, 0, PHP_ROUND_HALF_EVEN); // 10 echo "<br/>"; echo round(9.5, 0, PHP_ROUND_HALF_ODD); // 9 echo "<br/>"; ?>
