Push values to the same index of an array in PHP

Question

I wish to add key/value pairs into the same index of an array inside a loop.

Something Like this:

$attributes = array();
    for($i=0;$i<3;$i++)
    {
        array_push($attributes, array("title" => "this is content" . $i));
    }

except that the above would add new arrays to the original one. The output of above would be:

[{"title":"this is content0"},{"title":"this is content1"},{"title":"this is content2"}]

What I need is something like the following:

{"title1":"Hello World!","title2":"yoyoyyooyy"}

So the array still has a single index but multiple key/value pairs in that index separated by a comma.

Please HELP!!!

So you are saying you want the value of $attributes[n] to be be a serialized object rather than an array? I would create the object then json_encode the whole thing and store the encoded object in $attributes. — Elin
– Elin, Commented Aug 21, 2014 at 11:41

deceze · Accepted Answer · 2014-08-21 11:29:16Z

4

Please try this:

$attributes = array();
for ($i = 0; $i < 3; $i++)
{
      $attributes['title'][] = "content".$i;
}

edited Aug 21, 2014 at 11:29

deceze♦

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answered Aug 21, 2014 at 11:25

Gexton

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Comments

Man Programmer · Accepted Answer · 2014-08-21 11:12:41Z

0

$attributes = array();
    for($i=0;$i<3;$i++)
    {
        $attributes["title".$i]= "this is content".$i;
    }

this will help you no need to use array push

answered Aug 21, 2014 at 11:12

Man Programmer

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1 Comment

Moin Qidwai Over a year ago

Thank you this is a very simple solution. Can't realise I didn't think of it.

zedee · Accepted Answer · 2014-08-21 12:19:12Z

I'm not sure at all what do you want to achieve...

So the array still has a single index but multiple key/value pairs in that index separated by a comma.

Taking it literally would you want something like this? (that would be serializing)

$attributes:
    array(1) {
      [0]=> "Title1,This is content0,Title2,This is content1,Title3, (...)"
      string(n)

Because if so, you'd just need to do this:

$index_values = array();
for ($i=0; $i<N; $i++)
{
     $index_values[] = "Title" . $i;
     $index_values[] = "This is content". $i;
}

then

$attributes[0] = implode(",", $index_values);

Alternatively, you could do what other fellow users told above, then json_encode($array) that resulting array into first index of destination array.

Note: as far as I know, you can't have spare key/pair values without being encapsulated inside an structure like an array or an object.

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