Exceptions

<?php 
function divide($a, $b)  
{ 
    if ($b == 0)  
    { 
        throw new Exception("Cannot divide by zero!"); 
    } 
    return $a / $b; 
} 
 
try  
{ 
    echo divide(10, 2); // valid
    echo "<br>"; 
    echo divide(5, 0);  // will throw exception
}  
catch (Exception $e)  
{ 
    echo "Error: " . $e->getMessage(); 
} 
?>

Output

5

Error: Cannot divide by zero!