ArrayData *ZendArray::append(const ArrayData *elems, ArrayOp op, bool copy) {
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->append(elems, op, false);
return a;
}
if (op == Plus) {
for (ArrayIter it(elems); !it.end(); it.next()) {
Variant key = it.first();
CVarRef value = it.secondRef();
if (key.isNumeric()) {
addValWithRef(key.toInt64(), value);
} else {
addValWithRef(key.getStringData(), value);
}
}
} else {
ASSERT(op == Merge);
for (ArrayIter it(elems); !it.end(); it.next()) {
Variant key = it.first();
CVarRef value = it.secondRef();
if (key.isNumeric()) {
nextInsertWithRef(value);
} else {
Variant *p;
StringData *sd = key.getStringData();
addLvalImpl(sd, sd->hash(), &p, true);
p->setWithRef(value);
}
}
}
return NULL;
}
HOT_FUNC_HPHP
ArrayData *VectorArray::append(const ArrayData *elems, ArrayOp op, bool copy) {
if (UNLIKELY(!elems->isVectorArray())) {
ZendArray *a = escalateToZendArray();
a->append(elems, op, false);
return a;
}
if (UNLIKELY(copy)) {
VectorArray *a = NEW(VectorArray)(this);
a->VectorArray::append(elems, op, false);
return a;
}
assert(dynamic_cast<const VectorArray *>(elems));
const VectorArray *velems = static_cast<const VectorArray *>(elems);
if (op == Plus) {
if (velems->m_size > m_size) {
checkSize(velems->m_size - m_size);
for (uint i = m_size; i < velems->m_size; i++) {
Variant& to = tvAsUninitializedVariant(&m_elems[i]);
CVarRef fm = tvAsCVarRef(&velems->m_elems[i]);
to.constructWithRefHelper(fm, 0);
}
checkInsertIterator((ssize_t)m_size);
m_size = velems->m_size;
}
} else {
assert(op == Merge);
if (velems->m_size > 0) {
checkSize(velems->m_size);
for (uint i = m_size; i < m_size + velems->m_size; i++) {
Variant& to = tvAsUninitializedVariant(&m_elems[i]);
CVarRef fm = tvAsCVarRef(&velems->m_elems[i - m_size]);
to.constructWithRefHelper(fm, 0);
}
checkInsertIterator((ssize_t)m_size);
m_size += velems->m_size;
}
}
return nullptr;
}