Simplest PHP ACRA backend

report.php

<?php
    // Outputs all POST parameters to a text file. The file name is the date_time of the report reception
    $fileName = date('Y-m-d_H-i-s').'.txt';
    $file = fopen($fileName,'w') or die('Could not create report file: ' . $fileName);
    foreach($_POST as $key => $value) {
    $reportLine = $key." = ".$value."\n";
        fwrite($file, $reportLine) or die ('Could not write to report file ' . $reportLine);
    }
    fclose($file);
?>

A good idea ! perfect