/**
* Perform a SQL-style sort on a two-dimensional array.
* @param array $array The array to be sorted
* @param string $members Sort criteria, eg. "firstname, lastname ASC, age DESC"
* @param boolean $associative Keep keys matched up with their values. Default <b>true</b>
* @param boolean $natural Use natural comparision. Default <b>false</b>
*/
static function csort(&$array, $members, $associative = true, $natural = false)
{
hx::$cmp = $natural ? 'strnatcmp' : 'strcmp';
hx::$cri = array();
$sort = $associative ? 'uasort' : 'usort';
$cris = preg_split('/\\s*,\\s*/', $members);
foreach ($cris as $i) {
if (preg_match('/^(\\w+)(?:\\s+([ad])\\w*)?$/i', $i, $r)) {
hx::$cri[$r[1]] = strtolower(count($r) > 2 ? $r[2] : '') == 'd';
}
}
$sort($array, 'hx::ccomp');
}
// add match index to skip list
$skip['contacts'][] = $k;
check_max_calls();
}
}
}
}
}
}
}
// update this match's sync time
$match['lastsync'] = time();
}
}
// re-order match list so that the oldest ones come first
hx::csort($local['matches']['contacts'], 'lastsync asc', false);
// check for updates to contact records
trace('Checking for updated contact records');
foreach ($local['matches']['contacts'] as $k => &$match) {
if (!in_array($k, $skip['contacts'])) {
foreach ($data_sources as $ds_key => $ds) {
if ($match[$ds_key]['id'] && $ds->sync_updates) {
$contact = $ds->contact($match[$ds_key]['id']);
if (!$contact instanceof fs_contact) {
// contact has been deleted from this data source.
trace(sprintf('Contact #%s has been deleted from data source %s (%s)', $match[$ds_key]['id'], $ds_key, get_class($ds)));
if ($ds->sync_deletions) {
// delete records from other sources
foreach ($data_sources as $ds2_k => $ds2) {
if ($match[$ds2_k]['id'] && $ds2_k != $ds_key) {
$contact = new fs_contact($ds2);
