- array_search: documentation ( source)
<?php
$a = array(
"0" => "",
"address_country" => "",
"1" => "2011-11-29 14:49:10",
"createdtime" => "2011-11-29 14:49:10"
);
for($i = 0; $i < count($a); $i++){
if($count($a) > $i)
if(array_search($a[$i+1],$a) == "address_country")
echo "found";
}