intdiv()

The intdiv() function in PHP performs integer division and returns the quotient.

What is the intdiv() Function?

The intdiv() function is a built-in PHP function that performs integer division and returns the quotient. It takes two arguments and returns the result as an integer, truncated towards zero. If either argument is a float, it is truncated towards zero before the division is performed. For example, intdiv(-7, 2) returns -3, demonstrating that the result is always truncated toward zero rather than rounded down.

How to Use the intdiv() Function

Using intdiv() is straightforward. Here is a basic example:

How to Use the intdiv() Function in PHP?

<?php
$dividend = 10;
$divisor = 3;

// Perform integer division using the intdiv() function
$quotient = intdiv($dividend, $divisor);

// Output the quotient
echo $quotient;
?>

In this example, we define two integer variables and pass them to intdiv() to calculate the quotient. The result is then printed to the screen.

Note: Dividing by zero throws an Error (specifically DivisionByZeroError in PHP 8+). Always ensure the divisor is not zero.

Conclusion

The intdiv() function provides a reliable way to handle integer division in PHP. By understanding its truncation behavior and edge cases, you can integrate it effectively into your applications.

Practice