Be carefull if you are using objects as arguments for function calls!

<?php
error_reporting(E_ALL);

function myPrint($trace){
    foreach($trace as $i=>$call){
        /**
         * THIS IS NEEDED! If all your objects have a __toString function it's not needed!
         * 
         * Catchable fatal error: Object of class B could not be converted to string
         * Catchable fatal error: Object of class A could not be converted to string
         * Catchable fatal error: Object of class B could not be converted to string
         */
        if (is_object($call['object'])) { $call['object'] = 'CONVERTED OBJECT OF CLASS '.get_class($call['object']); }
        if (is_array($call['args'])) {
            foreach ($call['args'] AS &$arg) {
                if (is_object($arg)) { $arg = 'CONVERTED OBJECT OF CLASS '.get_class($arg); }
            }
        }
        
        $trace_text[$i] = "#".$i." ".$call['file'].'('.$call['line'].') ';
        $trace_text[$i].= (!empty($call['object'])?$call['object'].$call['type']:'');
        $trace_text[$i].= $call['function'].'('.implode(', ',$call['args']).')';
    }
    
    var_dump($trace_text);
}

class A{
    public function test($obj){
        $obj->test();
    }
}

class B{
    public function test(){
        echo myPrint(debug_backtrace());
    }
}

$A = new A();
$B = new B();

$A->test($B);

?>