Outputs an easy to read call trace. Credit: https://www.php.net/manual/en/function.debug-backtrace.php#112238

friendly-PHP-call-trace.php

<?php

// Outputs an easy to read call trace
// Credit: https://www.php.net/manual/en/function.debug-backtrace.php#112238

function generateCallTrace()
{
    $e = new Exception();
    $trace = explode("\n", $e->getTraceAsString());
    // reverse array to make steps line up chronologically
    $trace = array_reverse($trace);
    array_shift($trace); // remove {main}
    array_pop($trace); // remove call to this method
    $length = count($trace);
    $result = array();
   
    for ($i = 0; $i < $length; $i++)
    {
        $result[] = ($i + 1)  . ')' . substr($trace[$i], strpos($trace[$i], ' ')); // replace '#someNum' with '$i)', set the right ordering
    }
   
    return "\t" . implode("\n\t", $result);
}

// call function where needed to output call trace

/**
Example output:
1) /var/www/test/test.php(15): SomeClass->__construct()
2) /var/www/test/SomeClass.class.php(36): SomeClass->callSomething()
**/