PHP append data to array object

Question

In PHP I have an array $test. Running var_dump($test) looks like this:

array(2) {
  [0]=>
  object(stdClass)#2 (6) {
    ["name"]=>
    string(45) "Lorem"
    ["title"]=>
    string(96) "Lorem ipsum"
  }
  [1]=>
  object(stdClass)#3 (6) {
    ["name"]=>
    string(41) "Ipsum"
    ["title"]=>
    string(86) "Dolor sit amet"
  }
}

Now I need to add another field (url) to the $test objects so it looks like:

array(2) {
  [0]=>
  object(stdClass)#2 (6) {
    ["name"]=>
    string(45) "Lorem"
    ["title"]=>
    string(96) "Lorem ipsum"
    ["url"]=>
    string(86) "http://www.google.com"
  }
  [1]=>
  object(stdClass)#3 (6) {
    ["name"]=>
    string(41) "Ipsum"
    ["title"]=>
    string(86) "Dolor sit amet"
    ["url"]=>
    string(86) "http://www.stackoverflow.com"
  }
}

I've tried foreach() and $test->append('xxxxxxxx');, but am getting errors. Shouldn't this be real easy to do? What am I doing wrong?

Replace append with suggestion from this answer: stackoverflow.com/questions/164395/… — diegoperini
– diegoperini, Commented Sep 8, 2013 at 13:01

André Dion · Accepted Answer · 2013-09-08 13:00:36Z

7

You were close:

foreach( $test as $t ) {
    $t->url = "http://www.example.com";
}

It looks like you're trying to use append() (a method of ArrayObject) when you're really dealing with a stdClass object.

answered Sep 8, 2013 at 13:00

André Dion

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3 Comments

André Dion Over a year ago

@Whymarrh Working on it ;)

caramba Over a year ago

as you see I dont know lots about array objects. your answer works! thanks for that! but I dont understand anything with this "It looks like you're trying to use append() (a method of ArrayObject) when you're really dealing with a stdClass object." yes I've tried to use append and yes it is a method of ArrayObject. how could I have done it to work it that way?

André Dion Over a year ago

@caramba ArrayObject::append() only works on instances of ArrayObject and only takes a value, so for your case you wouldn't really want to use it since you are dealing with an Array containing stdClass objects and you also need to define a property (url).

JimL · Accepted Answer · 2013-09-08 13:19:10Z

1

Append is for appending an entire object to another object. Just use normal object referencing (obj->value) to assign a url

$objectOne = new \stdClass();
$objectOne->name = 'Lorem';
$objectOne->title = 'Lorem ipsum';

$objectTwo = new \stdClass();
$objectTwo->name = 'Ipsum';
$objectTwo->title = 'Dolor sit amet';

$test = array(
    0 => $objectOne,
    1 => $objectTwo
);

$urls = array(
    0 => 'http://www.google.com',
    1 => 'http://www.stackoverflow.com'
);

$i = 0;
foreach ($test as $site) {
  // Add url from urls array to object
  $site->url = $urls[$i];

  $i++;
}

var_dump($test);

Output:

array(2) {
  [0]=>
  object(stdClass)#1 (3) {
    ["name"]=>
    string(5) "Lorem"
    ["title"]=>
    string(11) "Lorem ipsum"
    ["url"]=>
    string(21) "http://www.google.com"
  }
  [1]=>
  object(stdClass)#2 (3) {
    ["name"]=>
    string(5) "Ipsum"
    ["title"]=>
    string(14) "Dolor sit amet"
    ["url"]=>
    string(28) "http://www.stackoverflow.com"
  }
}

edited Sep 8, 2013 at 13:19

answered Sep 8, 2013 at 13:06

JimL

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2 Comments

André Dion Over a year ago

The counter inside the foreach could be better written using a simple for loop instead, especially since $test and $urls are the same length. You also don't need to specify your indexes on your arrays, nor do you even need $result.

JimL Over a year ago

@AndréDion: But we do not know how he adds the urls, this was just a quick mockup as an example ^^ Im guessing he has some kind of query that checks for urls for each title, or something.

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