- print_r: documentation ( source)
- var_export: documentation ( source)
<?php
$a = array("", 0, array(), "1", "0");
foreach ($a as $b) {
$c = (bool)$b;
echo "value = " . var_export($b) . "\n";
echo " result = " . print_r($c) . "\n";
echo "\n\n";
}