Joining array values into string

Question

I have a PHP array with multiple objects. I'm trying to join values from a certain key into one string separated by commas. Output from var_dump:

Array
(
    [0] => stdClass Object
        (
            [tag_id] => 111
            [tag_name] => thing 1
            [tag_link] => url_1
        )

    [1] => stdClass Object
        (
            [tag_id] => 663
            [tag_name] => thing 2
            [tag_link] => url_2
        )

)

The string needs to be $string = 'thing 1,thing 2'. I tried using a foreach loop, but I'm completely stuck. Could anyone help out?

Jeremy Blalock · Accepted Answer · 2013-03-10 21:07:40Z

4

The above answer is a little light, maybe run it as a foreach loop instead.

$names = array();
foreach ($array as $k => $v) {
    $names[] = $v->tag_name;
}
$string = implode(',', $names);

answered Mar 10, 2013 at 21:07

Jeremy Blalock

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Scott Yang · Accepted Answer · 2013-03-10 21:07:58Z

0

$output = '';
foreach($test as $t){
    $output .= $t->tag_name . ',';
}
$output = substr($output, 0, -1);
echo $output;

answered Mar 10, 2013 at 21:07

Scott Yang

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1 Comment

Scott Yang Over a year ago

Jeremy Blalock's answer is cleaner :-)

Sam · Accepted Answer · 2013-03-10 21:09:07Z

0

Try as this

$string = $array[0]->tag_name.','.$array[1]->tag_name;

For other elements

 $string = '';
 foreach($array as $object) $string.=$object->tag_name.',';
 $string = substr($string,0,-1);

edited Mar 10, 2013 at 21:09

answered Mar 10, 2013 at 21:03

Sam

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2 Comments

Squrler Over a year ago

Sorry, maybe I should've added in the question that the size of the array is indeed dynamic like Michael mentioned. Any suggestions?

Sam Over a year ago

I have edit :), try now, now he can also remove the random -1

Wouter J · Accepted Answer · 2013-03-11 14:47:50Z

0

Use something like this:

implode(',', array_map(function ($el) {
    return $el->tag_name;
}, $array));

edited Mar 11, 2013 at 14:47

Wouter J

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answered Mar 11, 2013 at 14:28

Peinguin

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