151 lines
4.9 KiB
PHP
151 lines
4.9 KiB
PHP
<?php
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/**
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* Zeed Platform Project
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* Based on Zeed Framework & Zend Framework.
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*
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* BTS - Billing Transaction Service
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* CAS - Central Authentication Service
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*
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* LICENSE
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* http://www.zeed.com.cn/license/
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*
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* @category Zeed
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* @package Zeed_ChangeMe
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* @subpackage ChangeMe
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* @copyright Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
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* @author Zeed Team (http://blog.zeed.com.cn)
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* @since 2010-9-2
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* @version SVN: $Id: Array.php 13420 2012-10-15 07:23:32Z xsharp $
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*/
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class Zeed_Util_Array
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{
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/**
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* 返回数据中指定键值
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*
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* @param array $array
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* @param mixed $currentKey
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* @param integer $offset
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* @return mixed | null
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*
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* @example
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* <code>
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* $test_array = array(
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* "apple" => "Red, shiny fruit",
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* "orange" => "Orange, dull, juicy fruit",
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* "pear" => "Usually green and odd-shaped fruit",
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* "banana" => "Long yellow fruit that monkeys like to eat",
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* "cantelope" => "Larger than a grapefruit",
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* "grapefruit" => "Kind of sour"
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* );
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*
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* var_dump(Zeed_Util_Array::key_relative($test_array, 'apple', 2));
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* var_dump(Zeed_Util_Array::key_relative($test_array, 'apple', 2, 3));
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*
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* var_dump(Zeed_Util_Array::key_relative($test_array, "orange", -1));
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* var_dump(Zeed_Util_Array::key_relative($test_array, "orange", -1, 3));
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* </code>
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*/
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public static function key_relative($array, $currentKey, $offset = 1, $length = 1)
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{
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$keys = array_keys($array);
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$currentKeyIndex = array_search($currentKey, $keys, true);
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if (1 == $length) {
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if (isset($keys[$currentKeyIndex + $offset])) {
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return $keys[$currentKeyIndex + $offset];
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}
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} else {
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return array_slice($keys, $offset, $length);
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}
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return null;
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}
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/**
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* 将二维数组 key 设置为指定的值
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*
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* @param array $array
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* @param mixed $specifiedKey
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* @return array | false
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*
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* @example
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* <code>
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* $test_array = array(
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* array(
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* "apple" => "Red, shiny fruit",
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* "orange" => "Orange, dull, juicy fruit",
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* "pear" => "Usually green and odd-shaped fruit",
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* "banana" => "Long yellow fruit that monkeys like to eat",
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* "cantelope" => "Larger than a grapefruit",
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* "grapefruit" => "Kind of sour"),
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* array(
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* "orange" => "Orange, dull, juicy fruit",
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* "pear" => "Usually green and odd-shaped fruit",
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* "banana" => "Long yellow fruit that monkeys like to eat",
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* "cantelope" => "Larger than a grapefruit",
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* "grapefruit" => "Kind of sour"),
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*
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*
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* var_dump(Zeed_Util_Array::set_key($test_array, 'apple'));
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* var_dump(Zeed_Util_Array::set_key($test_array, 'orange'));
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* </code>
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*/
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public static function set_key($array, $specifiedKey)
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{
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if (!is_array(current($array))) {
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return false;
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}
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$newArray = array();
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foreach ($array as $subKey => $subArray) {
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$keys = array_keys($subArray);
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$specifiedKeyIndex = array_search($specifiedKey, $keys, true);
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/**
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* 当指定 $specifiedKey 未找到时，不进行处理第一层的 KEY
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*/
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if (false !== $specifiedKeyIndex && isset($keys[$specifiedKeyIndex])) {
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$subKey = $subArray["{$keys[$specifiedKeyIndex]}"];
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}
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$newArray[$subKey] = $subArray;
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}
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return $newArray;
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}
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/**
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* 递归地比较两个数组.
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* 返回一个数组，该数组包括了所有在 $aArray1 中但是不在任何其它参数数组中的值。注意键名保留不变
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*
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* @author firegun@terra.com.br
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* @param array $aArray1
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* @param array $aArray2
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* @return array
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*/
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public static function arrayRecursiveDiff($aArray1, $aArray2) {
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$aReturn = array();
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foreach ($aArray1 as $mKey => $mValue) {
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if (array_key_exists($mKey, $aArray2)) {
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if (is_array($mValue)) {
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$aRecursiveDiff = Zeed_Util_Array::arrayRecursiveDiff($mValue, $aArray2[$mKey]);
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if (count($aRecursiveDiff)) { $aReturn[$mKey] = $aRecursiveDiff; }
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} else {
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if ($mValue != $aArray2[$mKey]) {
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$aReturn[$mKey] = $mValue;
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}
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}
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} else {
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$aReturn[$mKey] = $mValue;
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}
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}
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return $aReturn;
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}
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}
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// End ^ LF ^ UTF-8
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