DivisionByZeroError

DivisionByZeroError is thrown when an attempt is made to divide a number by zero. It is never possible to divide by zero, the result is undefined. It is true for all zeroes: 0, +0, -0.

<?php
try {
    echo 1/$a;
}
catch(DivisionByZeroError $e){
    echo "Trying to divide by 0";
}
?>

Documentation

Related : Error