- array_search: documentation ( source)
- unserialize: documentation ( source)
- serialize: documentation ( source)
<?php
function getVarName(&$var)
{
$var = serialize($var);
$name = array_search($var, $GLOBALS, true);
$var = unserialize($var);
return $name;
}
function foo(&$yoba) {
echo getVarName($yoba);
}
$peka = true;
foo($peka);