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run code in 150+ php & hhvm versions
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<?php if (!defined('PHP_EOL')) { define('PHP_EOL', "\n"); } function printPerson($person) { echo sprintf( "Name: %s | Age: %s | Color: %s" . PHP_EOL, $person["name"], $person["age"], $person["colour"] ); } $people = array( array("name"=>"Bob","age"=>8,"colour"=>"red"), array("name"=>"Greg","age"=>12,"colour"=>"blue"), array("name"=>"Andy","age"=>5,"colour"=>"purple") ); $arrSortArray = array(); foreach($people as $person) { foreach($person as $key=>$value){ if(!isset($arrSortArray[$key])){ $arrSortArray[$key] = array(); } $arrSortArray[$key][] = $person; } } $orderby = "name"; //change this to whatever key you want from the array echo 'BEFORE SORT' . PHP_EOL; foreach ($arrSortArray[$orderby] as $person) { printPerson($person); } array_multisort($arrSortArray[$orderby], SORT_ASC,$people); echo '------------------------' . PHP_EOL; echo 'AFTER SORT' . PHP_EOL; foreach ($arrSortArray[$orderby] as $person) { printPerson($person); }
based on srODF
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
BEFORE SORT Name: Bob | Age: 8 | Color: red Name: Greg | Age: 12 | Color: blue Name: Andy | Age: 5 | Color: purple ------------------------ AFTER SORT Name: Andy | Age: 5 | Color: purple Name: Bob | Age: 8 | Color: red Name: Greg | Age: 12 | Color: blue