PHP code example of michel / vardumper

1. Go to this page and download the library: Download michel/vardumper library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

michel / vardumper example snippets


$user = ['name' => 'Alice', 'age' => 30, 'active' => true];
dump($user);


dump($request, $user, $token);
// → prints each one, in order, script continues


$result = computePrice($cart);
dd($result);
// → dumps $result, then exit(1). Code below never runs.


function processOrder($order) {
    btrace(); // → shows the last 5 calls that led here
    // ...
}


btrace(3); // show only the last 3 calls
btrace(1); // show only the direct caller


$price = computePrice($cart);
dd_bt($price);
// → prints the call stack
// → dumps $price
// → exit(1)


dd_bt($price, backtraceLimit: 3);


$response = buildApiResponse($data);
console_log($response);
// → page stays clean
// → open DevTools (F12) → Console tab
// → you see: [VarDumper] → controller.php:42
//              "Array\n(\n    [status] => ok ...\n)"


console_log($request, $user, $token);
// → three separate console.log() blocks, each labelled with its file:line


use Michel\Debug\VarDumper;
use Michel\Debug\Output\OutputInterface;

class LogOutput implements OutputInterface
{
    public function print($value): void
    {
        // send to a log file, a Slack webhook, anywhere
        file_put_contents('/tmp/debug.log', print_r($value, true) . PHP_EOL, FILE_APPEND);
    }
}

$dumper = new VarDumper(new LogOutput());
$dumper->dump($myVariable);