function array_intersect_assoc_recursive($arr1, $arr2)
{
if (!is_array($arr1) || !is_array($arr2)) {
// return $arr1 == $arr2; // Original line
return $arr2;
}
$commonkeys = array_intersect(array_keys($arr1), array_keys($arr2));
$ret = array();
foreach ($commonkeys as $key) {
$ret[$key] = array_intersect_assoc_recursive($arr1[$key], $arr2[$key]);
}
return $ret;
}
function array_intersect_assoc_recursive(&$arr1, &$arr2)
{
if (!is_array($arr1) || !is_array($arr2)) {
return $arr1 == $arr2;
// or === for strict type
}
$commonkeys = array_intersect(array_keys($arr1), array_keys($arr2));
$ret = array();
foreach ($commonkeys as $key) {
$ret[$key] =& array_intersect_assoc_recursive($arr1[$key], $arr2[$key]);
}
return $ret;
}
/**
* Sync page index
*
* @access public
* @return array message
*/
function sync_page()
{
if (!file_exists(PAGE_FOLDER . '/' . $this->navfile)) {
write_file(PAGE_FOLDER . '/' . $this->navfile, json_encode(array(), JSON_PRETTY_PRINT));
}
$output = array('status' => 'success', 'message' => 'Everything already synced.');
if (!is_writable(PAGE_FOLDER)) {
$output = array('status' => 'error', 'message' => "Page folder is not writable. Make it writable first.\n");
}
// get current directory map
$map = $this->scan_pages();
// get the old page index
$from_file = json_decode(file_get_contents(PAGE_FOLDER . '/' . $this->navfile), true);
// add new item to index
$merge_diff = array_merge_recursive($from_file, $map);
// remove unused item from index
$new_index = array_intersect_assoc_recursive($merge_diff, $map);
// make sure it is writablle
if (!write_file(PAGE_FOLDER . '/' . $this->navfile, json_encode($new_index, JSON_PRETTY_PRINT), "w")) {
$output = array('status' => 'error', 'message' => "Page index file " . $this->navfile . " is not writable. Make it writable first.\n");
} else {
$output = array('status' => 'success', 'message' => "Page index synced.\n");
}
return $output;
}
