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<?php $data = array( array( "title" => "Another title", "date" => "Fri, 17 Jun 2011 08:55:57 +0200" ), array( "title" => "My title", "date" => "Mon, 16 Jun 2010 06:55:57 +0200" ) ); function sortFunction( $a, $b ) { return strtotime($a["date"]) - strtotime($b["date"]); } usort($data, "sortFunction"); var_dump($data);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> array(2) { ["title"]=> string(8) "My title" ["date"]=> string(31) "Mon, 16 Jun 2010 06:55:57 +0200" } [1]=> array(2) { ["title"]=> string(13) "Another title" ["date"]=> string(31) "Fri, 17 Jun 2011 08:55:57 +0200" } }

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