- var_dump: documentation ( source)
<?php
class Vendor {};
$vendor = new Vendor();
echo '$vendor = new Vendor();';
echo "\n";
echo 'isset($vendor->branch): ';
var_dump(isset($vendor->branch));
echo "\n";
echo '!empty($vendor->branch): ';
var_dump(!empty($vendor->branch));
echo "\n";
echo "\n";
$vendor->branch = "BRANCH";
echo '$vendor->branch = "BRANCH";';
echo "\n";
echo 'isset($vendor->branch): ';
var_dump(isset($vendor->branch));
echo "\n";
echo '!empty($vendor->branch): ';
var_dump(!empty($vendor->branch));