PHP: array matching issue

Question

i have array1 with following content

array(
'banana',
'apple',
'orange');

and i have a different associative array2 with content and prices of items

array('banana'  => '1.45',
'apple'   => '2.99',
'carrot'  => '1.99',
'orange'  => '0.99',
'papaya'  => '2.99');

how do i generate a final array, that combines the two, with their common parts, that i get this final result:

   array('banana'  => '1.45',
  'apple'   => '2.99',
  'orange'  => '0.99');

alex · Accepted Answer · 2012-02-08 10:39:24Z

5

I would use array_intersect_key() here.

$intersection = array_intersect_key($second, array_flip($first));

CodePad.

answered Feb 8, 2012 at 10:39

alex

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3 Comments

Confidence Over a year ago

thanks, this is what i get trying your code= Array ( [banana] => 0 [apple] => 1 [orange] => 2 ) which is not my goal here.

alex Over a year ago

Check the CodePad. Make sure you have the arguments in the right order (the array of items needs to go second).

Mark Baker Over a year ago

@Confidence, this should give the correct results, have you checked alex's Codepad link to see it in action?

linuxeasy · Accepted Answer · 2012-02-08 10:48:59Z

1

You can do this:

$fruitNames = array(
'banana',
'apple',
'orange');

$fruitValues = array('banana'  => '1.45',
  'apple'   => '2.99',
  'orange'  => '0.99');



$finalArray = array();

foreach($fruitNames as $value)
{
    $finalArray[$value] = $fruitValues[$value];
}

$finalArray will have the expected value.

edited Feb 8, 2012 at 10:48

answered Feb 8, 2012 at 10:42

linuxeasy

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1 Comment

Confidence Over a year ago

this worked fine for me, i will implement it in my rather more complex code, and keep you updated ;) thanks for now.

Elen · Accepted Answer · 2012-02-08 10:42:20Z

0

use array_key_exists to loop thru and make new array

answered Feb 8, 2012 at 10:42

Elen

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