archived-presentations/slides/xdebug/xdebug-get-function-stack-from-exception-002.xml

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

<example inline="1"><![CDATA[&lt;?php
function exceptionHandler($exception)
{
    print_r(array_reverse(xdebug_get_function_stack( *['from_exception' => $exception ]* )));
}

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] => 2.093588419
            [memory] => 586944
            [function] => newError
            [type] => static
            [class] => Error_Class
            [file] => Standard input code
            [line] => 24
            [params] => Array
                (
                    [errno] => 42
                )
            [variables] => Array
                (
                    [errno] => 42
                    [elephpant] => Elephpant Object
                        (
                            [title:Elephpant:private] => Bluey
                            [PIE:Elephpant:private] => 3.1415926535898
                        )
                )
        )
    [1] => Array
        (
            [time] => 2.093500324
            [memory] => 586560
            [function] => {main}
            [file] => Standard input code
            [line] => 0
            [params] => Array
                (
                )
            [variables] => Array
                (
                    [e] => 
                )
        )
)
]]></example>
</div>
</slide>