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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Sort an Array By Values Using Comparison Function</title> </head> <body> <pre> <?php // Define comparison function function compare($a, $b){ if($a == $b){ return 0; } return ($a < $b) ? -1 : 1; } // Sample array $numbers = array(2, 5, 4, 3, 6, 1); // Sort numbers array using compare function usort($numbers, "compare"); print_r($numbers); ?> </pre> </body> </html>
