Math function in PHP

PHP Math function
  • PHP has a set of math functions that allows you to perform mathematical tasks on numbers.
PHP Math Functions list
  • In this topic, we will discuss commonly used functions of math.
  • PHP round() function

    • The round() function rounds a floating-point number to its nearest integer.

    <!DOCTYPE html>
<html>
<body>

<?php
echo "number 1 round : " . round(4.75);
echo "<br/>";
echo "number 2 round : " . round(2.45);
?>

</body>
</html>
  • PHP rand() function

    • The PHP rand() function is used to generate a random number.

    <!DOCTYPE html>
<html>
<body>

<?php
echo(rand());
?>

</body>
</html>
  • PHP sqrt() function

    • The PHP sqrt() function use to square root of a number.

    <!DOCTYPE html>
<html>
<body>

<?php
echo "Square root is : ".(sqrt(100));
?>

</body>
</html>

    Exercise: Other PHP math function list click here for see list.

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