archived-presentations/slides/xdebug/xdebug-get-function-stack-from-exception.xml

<slide>
<title>xdebug_get_function_stack() - exceptions</title>

<example result="1"><![CDATA[
<?php
function exceptionHandler($exception)
{
    print_r(array_reverse(xdebug_get_function_stack()));
}

class Elephpant
{
    function __construct(private string $title, private float $PIE) {}
}

class Error_Class
{
    public static function newError($errno = false)
    {
        $elephpant = new Elephpant("Bluey", M_PI);
        $randoVar = 42;
        throw new Exception("My Exception");
    }
}

set_exception_handler('exceptionHandler');

$e = Error_Class::newError(42);
]]></example>

<div effect="fade-in">
<example><![CDATA[Array
(
    [0] => Array
        (
            [time] => 4.598703456
            [memory] => 598944
            [function] => exceptionHandler
            [file] => Standard input code
            [line] => 0
            [params] => Array
                (
                    [exception] => class Exception { protected $message = 'My Exception'; private string $string = ''; protected $code = 0; protected string $file = 'Standard input code'; protected int $line = 18; private array $trace = [0 => [...]]; private ?Throwable $previous = NULL }
                )
        )
)]]></example>
</div>
</slide>