Simplify the Trace of an exception. Object references are converted to class string name.

exception_trace_to_json.php

<?php

/**
 * Simplify the Trace of an exception. Object references are converted to class string name.
 * 
 * @param Exception|Throwable $e
 * @throws \InvalidArgumentException
 * @return array
 * */

function simple_exception_trace($e)
{
    if ($e instanceof \Exception || $e instanceof \Throwable) {
        
        $recursiveObjectName = function ($value) use (&$recursiveObjectName) {
            if (is_array($value)) {
                return array_map($recursiveObjectName, $value);
            }
            return is_object($value) ? get_class($value) : $value;
        };

        $trace = $e->getTrace();

        foreach ($trace as &$line) {
            isset($line['args']) && $line = $recursiveObjectName($line);
        }

        return $trace;
    }

    throw new \InvalidArgumentException('Invalid argument. Expected "Exception" or "Throwable" instance');    
    
}