function sort_to($name, $values, $order = "ASC", $clone = false) {
$this->init_items();
if (is_array($values)) {
$items = $this->_items;
$class = get_class($this);
// arrays are required to prevent a single variable being overwritten in nested calls to sort_to
array_push(WOOF_Collection::$sort_name, $name);
array_push(WOOF_Collection::$sort_values, $values);
//WOOF_Collection::$sort_name = $name;
//WOOF_Collection::$sort_values = $values;
if ($clone) {
$clone_items = $items;
} else {
$clone_items = &$this->_items;
}
if (is_null($name)) {
// special case, where we just want to access the item itself (for a simple collection of primitive types)
$sort_func = "usort";
if (WOOF::is_assoc($clone_items)) {
if (strtoupper($order) == "ASC") {
uasort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $as = array_search($a, $sv); $bs = array_search($b, $sv); if ($as === false && $bs !== false) return 1; if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? -1 : +1;'));
} else {
uasort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $bs = array_search($b, $sv); $as = array_search($a, $sv); if ($as === false && $bs !== false) return 1; if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? 1 : -1;'));
}
} else {
if (strtoupper($order) == "ASC") {
usort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $as = array_search($a, $sv); $bs = array_search($b, $sv); if ($as === false && $bs !== false) return 1; if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? -1 : +1;'));
} else {
usort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $bs = array_search($b, $sv); $as = array_search($a, $sv); if ($as === false && $bs !== false) return 1; if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? 1 : -1;'));
}
}
} else {
if (strtoupper($order) == "ASC") {
usort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $sn = WOOF_Collection::get_sort_name(); $as = array_search(WOOF::eval_expression($sn, $a), $sv); $bs = array_search(WOOF::eval_expression($sn, $b), $sv); if ($as === false && $bs !== false) return 1; if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? -1 : +1;'));
} else {
usort( $clone_items, create_function('$a,$b', '$sv = WOOF_Collection::get_sort_values(); $sn = WOOF_Collection::get_sort_name(); $bs = array_search(WOOF::eval_expression($sn, $b), $sv); $as = array_search(WOOF::eval_expression($sn, $a), $sv); if ($bs === false && $as !== false) return -1; if ($as === $bs) return 0; return ($as < $bs) ? 1 : -1;'));
}
}
array_pop(WOOF_Collection::$sort_name);
array_pop(WOOF_Collection::$sort_values);
if ($clone) {
return new $class($clone_items);
} else {
return $this;
}
}
return $this;
}
