- var_dump: documentation ( source)
- strcmp: documentation ( source)
<?php
$xyz[]="a";
var_dump($xyz);
if($xyz != '')
{
echo "xyz is not empty! good to go!\n";
$abc = strcmp($xyz, 'my cool password keep it secrete please');
if ($abc == 0) { echo "yep that is the right password strcmp said so"; }
}