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本文实例讲述了php专用数组排序类ArraySortUtil用法。分享给大家供大家参考。具体如下:
** * ArraySortUtil is a array sort utility, you can extends the sorting engine. * * @version 0.1 * @package utility.sort */ class ArraySortUtil { static function uasort($unsort, $fields) { if ( !is_array($unsort) || sizeof($unsort) <= 0 ) return $unsort; $sorted = uasortEngine::uasort($unsort, $fields); return $sorted; } static function multisort($unsort, $fields) { if ( !is_array($unsort) || sizeof($unsort) <= 0 ) return $unsort; $sorted = multisortEngine::multisort($unsort, $fields); return $sorted; } } class multisortEngine { static function multisort($unsort, $fields) { $sorted = $unsort; if (is_array($unsort)) { $loadFields = array(); foreach($fields as $sortfield) { $loadFields["field"][] = array( "name" => $sortfield["field"], "order" => $sortfield["order"], "nature" => $sortfield["nature"], "caseSensitve" => $sortfield["caseSensitve"] ); $loadFields["data"][$field["field"]] = array(); } // Obtain a list of columns foreach ($sorted as $key => $row) { foreach($loadFields["field"] as $field) { $value = $row[$field["name"]]; $loadFields["data"][$field["name"]][$key] = $value; } } $parameters = array(); foreach($loadFields["field"] as $sortfield) { $array_data = $loadFields["data"][$sortfield["name"]]; $caseSensitve = ( $sortfield["caseSensitve"] == null ) "caseSensitve"] : false; if (!$caseSensitve) $array_data = array_map('strtolower', $array_data); $parameters[] = $array_data; if ( $sortfield["order"] != null ) $parameters[] = ( $sortfield["order"] ) "nature"] != null ) $parameters[] = ( $sortfield["nature"] ) "array_multisort", $parameters); } return $sorted; } } class uasortEngine { static private $caseSensitve = false; static private $sortfields = array(); static private $sortorder = true; static private $nature = false; static private function uasort_callback(&$a, &$b) { foreach(self::$sortfields as $sortfield) { $_field = $sortfield["field"]; $_order = isset($sortfield["order"]) "order"] : self::$sortorder; $_caseSensitve = isset($sortfield["caseSensitve"]) "caseSensitve"] : self::$caseSensitve; $_nature = isset($sortfield["nature"]) "nature"] : self::$nature; if ($_field != "") { $retval = 0; if ($_nature) { if ($_caseSensitve) { $compare = strnatcmp($a[$_field], $b[$_field]); } else { $compare = strnatcasecmp($a[$_field], $b[$_field]); } } else { if ($_caseSensitve) { $compare = strcmp($a[$_field], $b[$_field]); } else { $compare = strcasecmp($a[$_field], $b[$_field]); } } if ($compare !== 0 && !$_order) $compare = ($compare > 0) "htmlcode"><"id" => 1, "category"=>"Hardware", "subcategory"=>"Personal Computer", "supplier" => "DELL", "particular"=>"Vostro 1320", "purchase_price"=>2300, "other_charges"=>500); $assetData[] = array("id" => 2, "category"=>"Hardware", "subcategory"=>"Personal Computer", "supplier" => "DELL", "particular"=>"Vostro 1420", "purchase_price"=>2500, "other_charges"=>0); $assetData[] = array("id" => 3, "category"=>"Hardware", "subcategory"=>"Laptop", "supplier" => "DELL", "particular"=>"Vostro 1520", "purchase_price"=>4500, "other_charges"=>100); $assetData[] = array("id" => 4, "category"=>"Hardware", "subcategory"=>"Laptop", "supplier" => "Acer", "particular"=>"Apire One", "purchase_price"=>2500, "other_charges"=>200); $assetData[] = array("id" => 5, "category"=>"Furniture", "subcategory"=>"Table", "supplier" => "CHEN", "particular"=>"Manager Table", "purchase_price"=>1000, "other_charges"=>0); $assetData[] = array("id" => 6, "category"=>"Furniture", "subcategory"=>"Table", "supplier" => "CHEN", "particular"=>"Staff Table", "purchase_price"=>500, "other_charges"=>0); $assetData[] = array("id" => 7, "category"=>"Furniture", "subcategory"=>"Chair", "supplier" => "CHEN", "particular"=>"Staff Chair", "purchase_price"=>500, "other_charges"=>0); $sorted = ArraySortUtil::multisort($assetData, array( array("field"=>"category"), array("field"=>"subcategory", "order" => true) // desc )); echo "<h1>multisort:result</h1>"; echo "<pre>"; print_r($sorted); echo "</pre>"; $sorted = ArraySortUtil::uasort($assetData, array( array("field"=>"category"), array("field"=>"subcategory", "order" => true) // desc )); echo "<h1>uasort:result</h1>"; echo "<pre>"; print_r($sorted); echo "</pre>";希望本文所述对大家的php程序设计有所帮助。
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