Var Dump Not Displaying

Question

Im trying to get the Var Dump to display but all i get is a white screen. Any suggestions?

<?php
require('includes/config.inc.php');
require(MYSQL);
$aid = FALSE;
if (isset($_GET['aid']) && filter_var($_GET['aid'], FILTER_VALIDATE_INT, array('min_range' => 0))){
  $aid = $_GET['aid'];

  $q = "SELECT aircraft_id, aircraft_name AS name, aircraft_type AS type, tail_number AS tn FROM aircraft WHERE aircraft_id=$aid";
var_dump($q); die();
}

Common issue - set error_reporting to E_ALL, so you can find your problem — Peter
– Peter, Commented Sep 3, 2012 at 23:04
Do you define a MYSQL constant in your config.inc.php script? Is that config script readable? Either of the requires will kill the script if they fail, and with you undoubtedly having display_errors/error_reporting turned off, you'll never see why. NEVER have those two options turned off while debugging/developing. It's like trying to read a book with your eyes ripped out. — Marc B
– Marc B, Commented Sep 3, 2012 at 23:04

Jocelyn · Accepted Answer · 2012-09-03 23:10:10Z

1

Unless MYSQL is a defined constant in your script, this line of code will fail and the script execution will stop immediately:

require(MYSQL);

As explained in the documentation:

require is identical to include except upon failure it will also produce a fatal E_COMPILE_ERROR level error. In other words, it will halt the script whereas include only emits a warning (E_WARNING) which allows the script to continue.

answered Sep 3, 2012 at 23:10

Jocelyn

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