Variant f_array_column(CVarRef input, CVarRef val_key,
CVarRef idx_key /* = null_variant */) {
/* Be strict about array type */
getCheckedArrayRet(input, uninit_null());
Variant val = val_key, idx = idx_key;
if (!array_column_coerce_key(val, "column") ||
!array_column_coerce_key(idx, "index")) {
return false;
}
Array ret = Array::Create();
for(auto it = arr_input.begin(); !it.end(); it.next()) {
if (!it.second().isArray()) {
continue;
}
Array sub = it.second().toArray();
Variant elem;
if (val.isNull()) {
elem = sub;
} else if (sub.exists(val)) {
elem = sub[val];
} else {
// skip subarray without named element
continue;
}
if (idx.isNull() || !sub.exists(idx)) {
ret.append(elem);
} else if (sub[idx].isObject()) {
ret.set(sub[idx].toString(), elem);
} else {
ret.set(sub[idx], elem);
}
}
return ret;
}
bool f_in_array(CVarRef needle, CVarRef haystack, bool strict /* = false */) {
getCheckedArrayRet(haystack, false);
return arr_haystack.valueExists(needle, strict);
}
Variant f_array_search(CVarRef needle, CVarRef haystack,
bool strict /* = false */) {
getCheckedArrayRet(haystack, false);
return arr_haystack.key(needle, strict);
}
Variant f_array_flip(CVarRef trans) {
getCheckedArrayRet(trans, false);
return ArrayUtil::Flip(arr_trans);
}