# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# This file contains code to convert an array into a string, and back again.
-
-require_once(__DIR__ . '/binary.php');
+# This file contains code to convert an array of strings into a string, and back again.
function string_to_array($data) {
- $header_count = pop_int($data);
+ $pos = 0;
+ $max = strlen($data);
$out = array();
- while($header_count--) {
- $size = pop_int($data);
- $out[] = substr($data, 0, $size);
- $data = substr($data, $size);
+ while($pos < $max) {
+ $sep = stripos($data, ' ', $pos);
+ if ($sep == -1 || $sep == $pos) {
+ return $out;
+ }
+ $size = (int) substr($data, $pos, $sep - $pos);
+ $pos = $sep + 1;
+ $out[] = substr($data, $pos, $size);
+ $pos += $size;
}
return $out;
}
function array_to_string($array) {
- $ret = to_raw_int(count($array));
- foreach($array as $element) {
- $ret .= to_raw_int(strlen($element));
- $ret .= $element;
- }
+ $ret = '';
+ foreach($array as &$element) {
+ if (is_string($element)) {
+ $ret .= strlen($element) . ' ';
+ $ret .= $element;
+ }
+ } unset ($element);
return $ret;
}