* $test_array = array( * "apple" => "Red, shiny fruit", * "orange" => "Orange, dull, juicy fruit", * "pear" => "Usually green and odd-shaped fruit", * "banana" => "Long yellow fruit that monkeys like to eat", * "cantelope" => "Larger than a grapefruit", * "grapefruit" => "Kind of sour" * ); * * var_dump(Zeed_Util_Array::key_relative($test_array, 'apple', 2)); * var_dump(Zeed_Util_Array::key_relative($test_array, 'apple', 2, 3)); * * var_dump(Zeed_Util_Array::key_relative($test_array, "orange", -1)); * var_dump(Zeed_Util_Array::key_relative($test_array, "orange", -1, 3)); * */ public static function key_relative($array, $currentKey, $offset = 1, $length = 1) { $keys = array_keys($array); $currentKeyIndex = array_search($currentKey, $keys, true); if (1 == $length) { if (isset($keys[$currentKeyIndex + $offset])) { return $keys[$currentKeyIndex + $offset]; } } else { return array_slice($keys, $offset, $length); } return null; } /** * 将二维数组 key 设置为指定的值 * * @param array $array * @param mixed $specifiedKey * @return array | false * * @example * * $test_array = array( * array( * "apple" => "Red, shiny fruit", * "orange" => "Orange, dull, juicy fruit", * "pear" => "Usually green and odd-shaped fruit", * "banana" => "Long yellow fruit that monkeys like to eat", * "cantelope" => "Larger than a grapefruit", * "grapefruit" => "Kind of sour"), * array( * "orange" => "Orange, dull, juicy fruit", * "pear" => "Usually green and odd-shaped fruit", * "banana" => "Long yellow fruit that monkeys like to eat", * "cantelope" => "Larger than a grapefruit", * "grapefruit" => "Kind of sour"), * * * var_dump(Zeed_Util_Array::set_key($test_array, 'apple')); * var_dump(Zeed_Util_Array::set_key($test_array, 'orange')); * */ public static function set_key($array, $specifiedKey) { if (!is_array(current($array))) { return false; } $newArray = array(); foreach ($array as $subKey => $subArray) { $keys = array_keys($subArray); $specifiedKeyIndex = array_search($specifiedKey, $keys, true); /** * 当指定 $specifiedKey 未找到时，不进行处理第一层的 KEY */ if (false !== $specifiedKeyIndex && isset($keys[$specifiedKeyIndex])) { $subKey = $subArray["{$keys[$specifiedKeyIndex]}"]; } $newArray[$subKey] = $subArray; } return $newArray; } /** * 递归地比较两个数组. * 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 * * @author firegun@terra.com.br * @param array $aArray1 * @param array $aArray2 * @return array */ public static function arrayRecursiveDiff($aArray1, $aArray2) { $aReturn = array(); foreach ($aArray1 as $mKey => $mValue) { if (array_key_exists($mKey, $aArray2)) { if (is_array($mValue)) { $aRecursiveDiff = Zeed_Util_Array::arrayRecursiveDiff($mValue, $aArray2[$mKey]); if (count($aRecursiveDiff)) { $aReturn[$mKey] = $aRecursiveDiff; } } else { if ($mValue != $aArray2[$mKey]) { $aReturn[$mKey] = $mValue; } } } else { $aReturn[$mKey] = $mValue; } } return $aReturn; } } // End ^ LF ^ UTF-8