collection集合中有没有这样的方法?
collection
集合中有没有这样的方法,可以取出集合部分值,并且值为数组
<?php
public function test1(Request $request)
{
$collection = collect([
[
"a"=>1,
"b"=>2,
"c"=>3
],[
"a"=>4,
"b"=>5,
"c"=>6
],[
"a"=>7,
"b"=>8,
"c"=>9
]
]);
//输出结果:
//[
// 1,
// 4,
// 7
//]
return $collection->pluck("a");
//$collection->pluck(["a","b"]);
//希望输出
//[
// ["a"=>1,"b"=>2]
// ["a"=>4,"b"=>5]
// ["a"=>7,"b"=>8]
//]
}
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