Variant ArrayUtil::Reverse(CArrRef input, bool preserve_keys /* = false */) {
if (input.empty()) {
return input;
}
Array ret = Array::Create();
for (ssize_t pos = input->iter_end(); pos != ArrayData::invalid_index;
pos = input->iter_rewind(pos)) {
Variant key(input->getKey(pos));
if (preserve_keys || key.isString()) {
ret.setWithRef(key, input->getValueRef(pos), true);
} else {
ret.appendWithRef(input->getValueRef(pos));
}
}
return ret;
}
int64_t f_array_unshift(int _argc, VRefParam array, CVarRef var, CArrRef _argv /* = null_array */) {
if (array.toArray()->isVectorData()) {
if (!_argv.empty()) {
for (ssize_t pos = _argv->iter_end(); pos != ArrayData::invalid_index;
pos = _argv->iter_rewind(pos)) {
array.prepend(_argv->getValueRef(pos));
}
}
array.prepend(var);
} else {
{
Array newArray;
newArray.append(var);
if (!_argv.empty()) {
for (ssize_t pos = _argv->iter_begin();
pos != ArrayData::invalid_index;
pos = _argv->iter_advance(pos)) {
newArray.append(_argv->getValueRef(pos));
}
}
for (ArrayIter iter(array); iter; ++iter) {
Variant key(iter.first());
CVarRef value(iter.secondRef());
if (key.isInteger()) {
newArray.appendWithRef(value);
} else {
newArray.lvalAt(key, AccessFlags::Key).setWithRef(value);
}
}
array = newArray;
}
// Reset the array's internal pointer
if (array.is(KindOfArray)) {
array.array_iter_reset();
}
}
return array.toArray().size();
}