ArrayData *ZendArray::remove(CVarRef k, bool copy) {
TypedValueAccessor tva = k.getTypedAccessor();
if (isIntKey(tva)) {
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->prepareBucketHeadsForWrite();
a->erase(a->findForErase(getIntKey(tva)));
return a;
}
prepareBucketHeadsForWrite();
erase(findForErase(getIntKey(tva)));
return NULL;
} else {
ASSERT(k.isString());
StringData *key = getStringKey(tva);
int64 prehash = key->hash();
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->prepareBucketHeadsForWrite();
a->erase(a->findForErase(key->data(), key->size(), prehash));
return a;
}
prepareBucketHeadsForWrite();
erase(findForErase(key->data(), key->size(), prehash));
return NULL;
}
}
ArrayData *ZendArray::remove(CStrRef k, bool copy) {
int64 prehash = k->hash();
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->erase(a->findForErase(k.data(), k.size(), prehash));
return a;
}
erase(findForErase(k.data(), k.size(), prehash));
return NULL;
}
HOT_FUNC_HPHP
ArrayData *ZendArray::remove(int64 k, bool copy) {
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->erase(a->findForErase(k));
return a;
}
erase(findForErase(k));
return NULL;
}
ArrayData *ZendArray::remove(int64 k, bool copy) {
if (UNLIKELY(copy)) {
ZendArray *a = copyImpl();
a->prepareBucketHeadsForWrite();
a->erase(a->findForErase(k));
return a;
}
prepareBucketHeadsForWrite();
erase(findForErase(k));
return NULL;
}
ArrayData *ZendArray::pop(Variant &value) {
if (getCount() > 1) {
ZendArray *a = copyImpl();
a->pop(value);
return a;
}
if (m_pListTail) {
value = m_pListTail->data;
erase(findForErase(m_pListTail), true);
} else {
value = null;
}
// To match PHP-like semantics, the pop operation resets the array's
// internal iterator
m_pos = (ssize_t)m_pListHead;
return NULL;
}
ArrayData *ZendArray::dequeue(Variant &value) {
if (getCount() > 1) {
ZendArray *a = copyImpl();
a->dequeue(value);
return a;
}
// To match PHP-like semantics, we invalidate all strong iterators
// when an element is removed from the beginning of the array
if (!m_strongIterators.empty()) {
freeStrongIterators();
}
if (m_pListHead) {
value = m_pListHead->data;
erase(findForErase(m_pListHead));
renumber();
} else {
value = null;
}
// To match PHP-like semantics, the dequeue operation resets the array's
// internal iterator
m_pos = (ssize_t)m_pListHead;
return NULL;
}