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<?php
/*
$Id: compatibility.php,v 1.2 2004/08/25 22:40:04 akhan Exp $
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2003 osCommerce
Released under the GNU General Public License
Modified by Marco Canini, <m.canini@libero.it>
- Fixed a bug with arrays in $HTTP_xxx_VARS
*/
////
// Recursively handle magic_quotes_gpc turned off.
// This is due to the possibility of have an array in
// $HTTP_xxx_VARS
// Ie, products attributes
function do_magic_quotes_gpc(&$ar) {
if (!is_array($ar)) return false;
while (list($key, $value) = each($ar)) {
if (is_array($value)) {
do_magic_quotes_gpc($value);
} else {
$ar[$key] = addslashes($value);
}
}
}
// $HTTP_xxx_VARS are always set on php4
if (!is_array($HTTP_GET_VARS)) $HTTP_GET_VARS = array();
if (!is_array($HTTP_POST_VARS)) $HTTP_POST_VARS = array();
if (!is_array($HTTP_COOKIE_VARS)) $HTTP_COOKIE_VARS = array();
// handle magic_quotes_gpc turned off.
if (!get_magic_quotes_gpc()) {
do_magic_quotes_gpc($HTTP_GET_VARS);
do_magic_quotes_gpc($HTTP_POST_VARS);
do_magic_quotes_gpc($HTTP_COOKIE_VARS);
}
if (!function_exists('array_splice')) {
function array_splice(&$array, $maximum) {
if (sizeof($array) >= $maximum) {
for ($i=0; $i<$maximum; $i++) {
$new_array[$i] = $array[$i];
}
$array = $new_array;
}
}
}
if (!function_exists('in_array')) {
function in_array($lookup_value, $lookup_array) {
reset($lookup_array);
while (list($key, $value) = each($lookup_array)) {
if ($value == $lookup_value) return true;
}
return false;
}
}
if (!function_exists('array_reverse')) {
function array_reverse($array) {
for ($i=0, $n=sizeof($array); $i<$n; $i++) $array_reversed[$i] = $array[($n-$i-1)];
return $array_reversed;
}
}
if (!function_exists('constant')) {
function constant($constant) {
eval("\$temp=$constant;");
return $temp;
}
}
if (!function_exists('is_null')) {
function is_null($value) {
if (is_array($value)) {
if (sizeof($value) > 0) {
return false;
} else {
return true;
}
} else {
if (($value != '') && ($value != 'NULL') && (strlen(trim($value)) > 0)) {
return false;
} else {
return true;
}
}
}
}
if (!function_exists('array_merge')) {
function array_merge($array1, $array2, $array3 = '') {
if (empty($array3) && !is_array($array3)) $array3 = array();
while (list($key, $val) = each($array1)) $array_merged[$key] = $val;
while (list($key, $val) = each($array2)) $array_merged[$key] = $val;
if (sizeof($array3) > 0) while (list($key, $val) = each($array3)) $array_merged[$key] = $val;
return (array) $array_merged;
}
}
if (!function_exists('is_numeric')) {
function is_numeric($param) {
return ereg('^[0-9]{1,50}.?[0-9]{0,50}$', $param);
}
}
if (!function_exists('array_slice')) {
function array_slice($array, $offset, $length = 0) {
if ($offset < 0 ) {
$offset = sizeof($array) + $offset;
}
$length = ((!$length) ? sizeof($array) : (($length < 0) ? sizeof($array) - $length : $length + $offset));
for ($i = $offset; $i<$length; $i++) {
$tmp[] = $array[$i];
}
return $tmp;
}
}
if (!function_exists('array_map')) {
function array_map($callback, $array) {
if (is_array($array)) {
$_new_array = array();
reset($array);
while (list($key, $value) = each($array)) {
$_new_array[$key] = array_map($callback, $array[$key]);
}
return $_new_array;
} else {
return $callback($array);
}
}
}
if (!function_exists('str_repeat')) {
function str_repeat($string, $number) {
$repeat = '';
for ($i=0; $i<$number; $i++) {
$repeat .= $string;
}
return $repeat;
}
}
if (!function_exists('checkdnsrr')) {
function checkdnsrr($host, $type) {
if(tep_not_null($host) && tep_not_null($type)) {
@exec("nslookup -type=$type $host", $output);
while(list($k, $line) = each($output)) {
if(eregi("^$host", $line)) {
return true;
}
}
}
return false;
}
}
?>