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Sort Array by Year Gives Wrong Order

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I have a loop which creates an array:

$productions[] = array( 'url'=>get_the_permalink(), 'year'=>$production_year->name, 'title'=>get_the_title() );

When I output the results, the year is in the wrong order:


What I can't work out is how to order 2014 - 2020

I tried ksort(array, SORT_STRING) and ksort(array, SORT_NUMERIC)

I also tried natsort 

But still have the same issue - am I missing something?


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  • Solution

Sorted it with

usort($productions, function($a1, $a2) {
   $v1 = strtotime($a1['year']);
   $v2 = strtotime($a2['year']);
   return $v2 - $v1; // $v2 - $v1 to reverse direction


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