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I have a simple question: Query returns array in which I would like to change order of elements in PHP.

I have an array like this:

$typesSumAr = array( 'break', 'private absence', 'sick leave', 'vacation', 'work', 'work absence' );

I would like to have an array in this order:

$typesSumAr = array( 'work', 'break', 'sick leave', 'vacation', 'private absence', 'work absence' );

The are not always all elements in array, it could be only two for example, so I cannot hardcode the array. Do I need to make if statements to find out if key exists and then order it manually?

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    What logic should the ordering be based on? Commented Feb 24, 2014 at 11:43
  • No logic, I would like to have it in order of second array. Commented Feb 24, 2014 at 11:45

2 Answers 2

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Seeing as you have an array in the order you prefer, your problem boils down to keeping the elements that are also present in another array. PHP has a function for exactly that: array_intersect

array_intersect returns an array containing all the values of its first array argument that are present in all the arguments. Note that keys are preserved.

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There are lots of great array sorting function depending on how you want to sort it. Have a look here http://www.php.net/manual/en/array.sorting.php or even based on your own function via uksort (http://www.php.net/manual/en/function.uksort.php)

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Useful, thank you, but I needed array_intersect in this case.

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