Concatenate strings from 2 array based on key

Question

so i have a bit difficulty in combining arrays in php. So let say i have these 2 array

array:4 [▼
  20 => "University"
  21 => "Polic Station"
  22 => "Ambulance"
  1  => "Zoo"
]

array:4 [▼
  20 => "abc"
  21 => "def"
  22 => "ghi"
  1  => "jkl"
]

How do i actually combine this to this

array:4 [▼
  20 => "abc University"
  21 => "def Polic Station"
  22 => "ghi Ambulance"
  1  => "jkl Zoo"
]

see http://stackoverflow.com/questions/14842272/php-array-merge-two-arrays-on-same-key — CodeLove, Nov 17 '15 at 07:59

score 5 · Accepted Answer · answered Nov 17 '15 at 08:05

5

Here's the result:

$arr = array(
    20=>'University',
    21=>'Polic Station',
    22=>'Ambulance',
    1=>'Zoo');
$arr2= array(
    20=>'abc',
    21=>'def',
    22=>'ghi',
    1=>'jkl');
$arr_out = array();
foreach($arr as $key=>$el) {
    $arr_out[$key] = $arr2[$key] ." ".$el;
}
var_dump($arr_out);

Obviously, you'll need to keep in mind to check whether the key exists in the second array so you do not get an error when accessing the value.

answered Nov 17 '15 at 08:05

Andrius

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28

Works like charm, i will make validation on second array later. Thanks. – user3787229 Nov 17 '15 at 08:13

Concatenate strings from 2 array based on key

1 Answers1