Foreach a specific key from array

Question

I have an array with 2 same keys i want to foreach out if possible. The currently code looks like:

$arrayName = array(
    1 => array('detail' => 'detail1' , 'detail' => 'detail2')
);

foreach ($arrayName[1] as $key['detail'] => $value) {
     echo $value;
}

Thanks for any help!

TwHello Inc · Accepted Answer · 2014-04-06 05:48:20Z

5

Your keys are overwriting themselves. You may want to approach the solution like this:

$arrayName = array(
    array('name' => 'detail' , 'value' => 'detail1'),
    array('name' => 'detail' , 'value' => 'detail2')
);

foreach ($arrayName as $i) {
    echo $i['value'];
}

answered Apr 6, 2014 at 5:48

TwHello Inc

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1 Comment

user3502882 Over a year ago

Thanks, this helped me out to understand how to do it. Cheers!

Community · Accepted Answer · 2020-06-20 09:12:55Z

2

You cannot have identical keys for an array.. The final key overwrites the first one. (in your case)

From the PHP Docs..

If multiple elements in the array declaration use the same key, only the last one will be used as all others are overwritten.

A dynamic way of doing this..

<?php
$new_arr = array();
foreach(range(1,5) as $v)
{
    $new_arr['detail'.$v]='detail'.$v;
}
print_r($new_arr);

OUTPUT :

Array
(
    [detail1] => detail1
    [detail2] => detail2
    [detail3] => detail3
    [detail4] => detail4
    [detail5] => detail5
)

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Apr 6, 2014 at 5:44

Shankar Narayana Damodaran

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3 Comments

Shankar Narayana Damodaran Over a year ago

Why not different keys ? :) detail1 and detail2 ?

user3502882 Over a year ago

I building an application and want to keep it easy :)

Hanky Panky Over a year ago

Then create an array of arrays and keep the key same for the sub arrays

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