mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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299 lines
8.1 KiB
PHP
299 lines
8.1 KiB
PHP
<?php
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/**
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Utility
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* @since CakePHP(tm) v 1.2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('String', 'Utility');
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/**
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* Library of array functions for manipulating and extracting data
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* from arrays or 'sets' of data.
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*
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* `Set2` provides an improved interface and more consistent and
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* predictable set of features over `Set`. While it lacks the spotty
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* support for pseudo Xpath, its more fully feature dot notation provides
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* the same utility.
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*
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* @package Cake.Utility
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*/
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class Set2 {
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/**
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* Get a single value specified by $path out of $data.
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* Does not support the full dot notation feature set,
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* but is faster for simple operations.
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*
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* @param array $data Array of data to operate on.
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* @param string $path The path being searched for.
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* @return mixed The value fetched from the array, or null.
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*/
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public static function get(array $data, $path) {
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if (empty($data) || empty($path)) {
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return null;
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}
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$parts = explode('.', $path);
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while ($key = array_shift($parts)) {
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if (isset($data[$key])) {
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$data =& $data[$key];
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} else {
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return null;
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}
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}
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return $data;
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}
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public static function extract(array $data, $path) {
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}
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public static function insert(array $data, $path, $values = null) {
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}
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public static function remove(array $data, $path) {
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}
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public static function combine(array $data, $keyPath, $valuePath = null) {
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}
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/**
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* Determines if one array contains the exact keys and values of another.
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*
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* @param array $data The data to search through.
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* @param array $needle The values to file in $data
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* @return boolean true if $data contains $needle, false otherwise
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::contains
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*/
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public static function contains(array $data, array $needle) {
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if (empty($data) || empty($needle)) {
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return false;
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}
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foreach ($needle as $key => $val) {
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if (isset($data[$key]) && is_array($val)) {
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if (!Set2::contains($data[$key], $val)) {
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return false;
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}
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} elseif (!isset($data[$key]) || $data[$key] != $val) {
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return false;
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}
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}
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return true;
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}
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public static function check(array $data, $path) {
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}
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public static function filter(array $data) {
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}
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/**
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* Collapses a multi-dimensional array into a single dimension, using a delimited array path for
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* each array element's key, i.e. array(array('Foo' => array('Bar' => 'Far'))) becomes
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* array('0.Foo.Bar' => 'Far').)
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*
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* @param array $data Array to flatten
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* @param string $separator String used to separate array key elements in a path, defaults to '.'
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* @return array
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::flatten
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*/
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public static function flatten(array $data, $separator = '.') {
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$result = array();
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$stack = array();
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$path = null;
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reset($data);
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while (!empty($data)) {
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$key = key($data);
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$element = $data[$key];
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unset($data[$key]);
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if (is_array($element)) {
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if (!empty($data)) {
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$stack[] = array($data, $path);
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}
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$data = $element;
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$path .= $key . $separator;
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} else {
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$result[$path . $key] = $element;
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}
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if (empty($data) && !empty($stack)) {
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list($data, $path) = array_pop($stack);
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}
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}
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return $result;
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}
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/**
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* This function can be thought of as a hybrid between PHP's `array_merge` and `array_merge_recursive`.
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*
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* The difference between this method and the built-in ones, is that if an array key contains another array, then
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* Set2::merge() will behave in a recursive fashion (unlike `array_merge`). But it will not act recursively for
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* keys that contain scalar values (unlike `array_merge_recursive`).
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*
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* Note: This function will work with an unlimited amount of arguments and typecasts non-array parameters into arrays.
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*
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* @param array $data Array to be merged
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* @param mixed $merge Array to merge with. The argument and all trailing arguments will be array cast when merged
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* @return array Merged array
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::merge
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*/
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public static function merge(array $data, $merge) {
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$args = func_get_args();
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$return = current($args);
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while (($arg = next($args)) !== false) {
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foreach ((array)$arg as $key => $val) {
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if (!empty($return[$key]) && is_array($return[$key]) && is_array($val)) {
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$return[$key] = self::merge($return[$key], $val);
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} elseif (is_int($key)) {
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$return[] = $val;
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} else {
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$return[$key] = $val;
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}
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}
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}
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return $return;
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}
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/**
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* Counts the dimensions of an array.
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* Only considers the dimension of the first element in the array.
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*
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* If you have an un-even or hetrogenous array, consider using Set2::maxDimensions()
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* to get the dimensions of the array.
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*
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* @param array $array Array to count dimensions on
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* @return integer The number of dimensions in $data
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::countDim
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*/
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public static function dimensions(array $data) {
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if (empty($data)) {
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return 0;
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}
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reset($data);
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$depth = 1;
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while ($elem = array_shift($data)) {
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if (is_array($elem)) {
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$depth += 1;
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$data =& $elem;
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} else {
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break;
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}
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}
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return $depth;
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}
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/**
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* Counts the dimensions of *all* array elements. Useful for finding the maximum
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* number of dimensions in a mixed array.
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*
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* @param array $data Array to count dimensions on
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* @return integer The maximum number of dimensions in $data
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::countDim
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*/
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public static function maxDimensions(array $data) {
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$depth = array();
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if (is_array($data) && reset($data) !== false) {
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foreach ($data as $value) {
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$depth[] = Set2::dimensions((array)$value) + 1;
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}
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}
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return max($depth);
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}
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/**
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* Map a callback across all elements in a set.
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* Can be provided a path to only modify slices of the set.
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*
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*/
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public static function map(array $data, $path, $function = null) {
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}
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public static function sort(array $data, $path, $dir) {
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}
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/**
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* Computes the difference between two complex arrays.
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* This method differs from the built-in array_diff() in that it will preserve keys
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* and work on multi-dimensional arrays.
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*
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* @param mixed $data First value
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* @param mixed $data2 Second value
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* @return array Returns the key => value pairs that are not common in $data and $data2
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* The expression for this function is ($data - $data2) + ($data2 - ($data - $data2))
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::diff
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*/
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public static function diff(array $data, $data2) {
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if (empty($data)) {
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return (array)$data2;
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}
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if (empty($data2)) {
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return (array)$data;
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}
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$intersection = array_intersect_key($data, $data2);
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while (($key = key($intersection)) !== null) {
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if ($data[$key] == $data2[$key]) {
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unset($data[$key]);
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unset($data2[$key]);
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}
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next($intersection);
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}
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return $data + $data2;
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}
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/**
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* Normalizes an array, and converts it to a standard format.
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*
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* @param mixed $data List to normalize
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* @param boolean $assoc If true, $data will be converted to an associative array.
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* @return array
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* @link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::normalize
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*/
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public static function normalize(array $data, $assoc = true) {
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$keys = array_keys($data);
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$count = count($keys);
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$numeric = true;
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if (!$assoc) {
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for ($i = 0; $i < $count; $i++) {
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if (!is_int($keys[$i])) {
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$numeric = false;
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break;
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}
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}
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}
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if (!$numeric || $assoc) {
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$newList = array();
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for ($i = 0; $i < $count; $i++) {
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if (is_int($keys[$i])) {
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$newList[$data[$keys[$i]]] = null;
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} else {
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$newList[$keys[$i]] = $data[$keys[$i]];
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}
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}
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$data = $newList;
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}
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return $data;
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}
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}
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