How to add key and value in array without foreach, Laravel [duplicate]

Question

I want to make array without foreach loop. This is should be returned:

array:4 [
  0 => array:1 [
    "name" => "tag1"
  ]
  1 => array:1 [
    "name" => "tag2"
  ]
  2 => array:1 [
    "name" => "tag3"
  ]
  3 => array:1 [
    "name" => "tag4"
  ]
]

I made it to work like this:

$tags=[];
$j=0;
foreach($woo->tags as $tag){
    $tags[$j]['name']=$tag;
    $j++;
}

But when I have a lot of tags it can be slow in foreach loop. My tags are saved in database in text field like tag1,tag2,tag3,tag4

Is there any other faster way to return this..

zanderwar · Accepted Answer · 2023-01-13 10:02:59Z

1

Try array_map, I haven't actually benchmarked the both but it is one of (if not your only) alternative:

$tags = array_map(function($tag) {
    return ['name' => $tag];
}, $woo->tags);

For what it's worth, if you are actually storing so many tags in a singular column that it actually slows PHP down, might be something you need to step back and think about improving.

answered Jan 13, 2023 at 10:02

zanderwar

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