has an array in the following format:
$input = [
["vid" => 1, "v_name" => "v1", "prop" => ["pid" => 1, "p_name" => ""]],
["vid" => 2, "v_name" => "v2", "prop" => ["pid" => 1, "p_name" => ""]],
["vid" => 3, "v_name" => "v3", "prop" => ["pid" => 2, "p_name" => ""]],
];now I"m going to return it in the following format:
$output = [
[
"pid" => 1,
"p_name" => "",
"p_v_list" => [
[
"vid" => 1,
"v_name" => "v1"
],
[
"vid" => 2,
"v_name" => "v2"
],
]
],
[
"pid" => 2,
"p_name" => "",
"p_v_list" => [
[
"vid" => 3,
"v_name" => "v3"
]
]
]
];I use foreach for stitching:
$output = [];
foreach ($input as $item) {
$pid = $item["prop"]["pid"];
if (!array_key_exists($pid, $output)) {
$output[$pid] = $item["prop"];
}
$output[$pid]["p_v_list"][] = ["vid" => $item["vid"], "v_name" => $item["v_name"]];
}
$output = array_chunk($output, count($output))[0];now I don"t think this method is very good, but I can"t figure out how to generate it better at the moment, so I would like to ask you if there is a good way?
thanks!