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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4545 3807eeeb-6ff5-0310-8944-8be069107fe0
487 lines
No EOL
11 KiB
PHP
487 lines
No EOL
11 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Library of array functions for Cake.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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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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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 1.2.0
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Class used for manipulation of arrays.
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*
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* Long description for class
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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class Set extends Object {
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/**
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* Value of the Set object.
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*
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* @var array
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* @access public
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*/
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var $value = array();
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/**
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* Constructor. Defaults to an empty array.
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*
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* @access public
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*/
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function __construct() {
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if (func_num_args() == 1 && is_array(func_get_arg(0))) {
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$this->value = func_get_arg(0);
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} else {
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$this->value = func_get_args();
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}
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}
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/**
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* Returns the contents of the Set object
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*
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* @access public
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*/
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function &get() {
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return $this->value;
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}
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/**
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* Merges the contents of the array object with $array
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*
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* @param mixed $array An array, another Set object, or a value to be appended
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* @return array
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* @access public
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*/
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function merge($array = null, $array2 = null) {
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if ($array2 != null && is_array($array2)) {
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return array_merge_recursive($array, $array2);
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}
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if ($array == null) {
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$array = $this->value;
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} elseif (is_object($array) && (is_a($array, 'set') || is_a($array, 'Set'))) {
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$array = $array->get();
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} elseif (is_object($array)) {
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// Throw an error
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} elseif (!is_array($array)) {
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$array = array($array);
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}
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$this->value = array_merge_recursive($this->value, $array);
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return $this->value;
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}
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/**
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* Maps the contents of the Set object to an object hierarchy
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*
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* @param string $class A class name of the type of object to map to
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* @return object
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* @access public
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*/
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function map($class = 'stdClass', $tmp = 'stdClass') {
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if (is_array($class)) {
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$val = $class;
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$class = $tmp;
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} elseif (is_a($this, 'set') || is_a($this, 'Set')) {
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$val = $this->get();
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}
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if (empty($val) || $val == null) {
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return null;
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}
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return Set::__map($val, $class);
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}
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function __map($value, $class, $identity = null) {
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if (is_object($value)) {
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return $value;
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}
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if (!empty($value) && Set::numeric(array_keys($value))) {
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$ret = array();
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foreach ($value as $key => $val) {
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$ret[$key] = Set::__map($val, $class);
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}
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} else {
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$ret = new $class;
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if ($identity != null) {
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$ret->__identity__ = $identity;
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}
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}
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if (empty($value)) {
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return $ret;
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}
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$keys = array_keys($value);
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foreach ($value as $key => $val) {
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if (!is_numeric($key) && strlen($key) > 1) {
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if ($key{0} == strtoupper($key{0}) && $key{1} == strtolower($key{1}) && (is_array($val) || is_object($val))) {
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if ($key == $keys[0]) {
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$ret = Set::__map($val, $class, $key);
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} else {
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$ret->{$key} = Set::__map($val, $class, $key);
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}
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} else {
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$ret->{$key} = $val;
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}
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}
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}
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return $ret;
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}
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/**
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* Checks to see if all the values in the array are numeric
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*
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* @param array $array The array to check. If null, the value of the current Set object
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* @return boolean
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* @access public
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*/
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function numeric($array = null) {
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if ($array == null && (is_a($this, 'set') || is_a($this, 'Set'))) {
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$array = $this->get();
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}
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$numeric = true;
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$keys = array_keys($array);
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$count = count($keys);
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for ($i = 0; $i < $count; $i++) {
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if (!is_numeric($array[$keys[$i]])) {
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$numeric = false;
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break;
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}
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}
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return $numeric;
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}
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/**
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* Return a value from an array list if the key exists.
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*
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* If a comma separated $list is passed arrays are numeric with the key of the first being 0
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* $list = 'no, yes' would translate to $list = array(0 => 'no', 1 => 'yes');
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*
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* If an array is used, keys can be strings example: array('no' => 0, 'yes' => 1);
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*
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* $list defaults to 0 = no 1 = yes if param is not passed
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*
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* @param mixed $selected
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* @param mixed $list can be an array or a comma-separated list.
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* @return string the value of the array key or null if no match
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*/
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function enum($select, $list = null) {
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if (empty($list) && is_a($this, 'Set')) {
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$list = $this->get();
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} elseif (empty($list)) {
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$list = array('no', 'yes');
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}
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$return = null;
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$list = Set::normalize($list, false);
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if (array_key_exists($select, $list)) {
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$return = $list[$select];
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}
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return $return;
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}
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/**
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* Gets a value from an array or object.
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* The special {n}, as seen in the Model::generateList method, is taken care of here.
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*
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* @param array $data
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* @param mixed $path As an array, or as a dot-separated string.
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* @return array
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*/
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function extract($data, $path = null) {
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if ($path === null && is_a($this, 'set')) {
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$path = $data;
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$data = $this->get();
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}
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if (is_object($data)) {
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$data = get_object_vars($data);
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}
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if (!is_array($path)) {
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if (strpos($path, '/') !== 0 && strpos($path, './') === false) {
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$path = explode('.', $path);
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} else {
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}
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}
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$tmp = array();
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if (!is_array($path) || empty($path)) {
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return null;
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}
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foreach($path as $i => $key) {
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if (intval($key) > 0 || $key == '0') {
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if (isset($data[intval($key)])) {
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$data = $data[intval($key)];
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} else {
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return null;
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}
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} elseif ($key == '{n}') {
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foreach($data as $j => $val) {
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$tmp[] = Set::extract($val, array_slice($path, $i + 1));
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}
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return $tmp;
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} else {
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if (isset($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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}
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return $data;
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}
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/**
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* Inserts $data into an array as defined by $path.
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*
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* @param mixed $list
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* @param array $data
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* @param mixed $path A dot-separated string.
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* @return array
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*/
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function insert($list, $path, $data = null) {
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if (empty($data) && is_a($this, 'Set')) {
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$data = $path;
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$path = $list;
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$list =& $this->get();
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}
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if (!is_array($path)) {
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$path = explode('.', $path);
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}
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$_list =& $list;
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foreach($path as $i => $key) {
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if (intval($key) > 0 || $key == '0') {
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$key = intval($key);
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}
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if ($i == count($path) - 1) {
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$_list[$key] = $data;
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} else {
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if (!isset($_list[$key])) {
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$_list[$key] = array();
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}
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$_list =& $_list[$key];
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}
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}
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return $list;
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}
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/**
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* Removes an element from a Set or array
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*
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* @param mixed $list
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* @param array $data
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* @param mixed $path A dot-separated string.
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* @return array
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*/
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function remove($list, $path = null) {
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if (empty($path) && is_a($this, 'Set')) {
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$path = $list;
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$list =& $this->get();
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}
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if (!is_array($path)) {
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$path = explode('.', $path);
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}
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$_list =& $list;
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foreach($path as $i => $key) {
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if (intval($key) > 0 || $key == '0') {
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$key = intval($key);
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}
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if ($i == count($path) - 1) {
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unset($_list[$key]);
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} else {
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if (!isset($_list[$key])) {
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return $list;
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}
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$_list =& $_list[$key];
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}
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}
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if (is_a($this, 'Set')) {
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$this->value = $list;
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return $this;
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} else {
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return $list;
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}
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}
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/**
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* Checks if a particular path is set in an array
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*
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* @param mixed $data
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* @param mixed $path A dot-separated string.
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* @return array
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*/
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function check($data, $path = null) {
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if (empty($path) && is_a($this, 'Set')) {
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$path = $data;
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$data = $this->get();
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}
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if (!is_array($path)) {
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$path = explode('.', $path);
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}
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foreach($path as $i => $key) {
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if (intval($key) > 0 || $key == '0') {
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$key = intval($key);
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}
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if ($i == count($path) - 1) {
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return isset($data[$key]);
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} else {
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if (!isset($data[$key])) {
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return false;
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}
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$data =& $data[$key];
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}
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}
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return true;
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}
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/**
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* Computes the difference between a Set and an array, two Sets, or two arrays
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*
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* @param mixed $val1
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* @param mixed $val2
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* @return array
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*/
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function diff($val1, $val2 = null) {
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if ($val2 == null && (is_a($this, 'set') || is_a($this, 'Set'))) {
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$val2 = $val1;
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$val1 = $this->get();
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}
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if (is_object($val2) && (is_a($val2, 'set') || is_a($val2, 'Set'))) {
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$val2 = $val2->get();
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}
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$out = array();
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if (empty($val1)) {
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return (array)$val2;
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} elseif (empty($val2)) {
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return (array)$val1;
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}
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foreach ($val1 as $key => $val) {
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if (!isset($val2[$key]) || $val2[$key] != $val) {
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$out[$key] = $val;
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}
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}
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return $out;
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}
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/**
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* Determines if two Sets or arrays are equal
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*
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* @param array $val1
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* @param array $val2
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* @return boolean
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*/
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function isEqual($val1, $val2 = null) {
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if ($val2 == null && (is_a($this, 'set') || is_a($this, 'Set'))) {
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$val2 = $val1;
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$val1 = $this->get();
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}
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}
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/**
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* Determines if one Set or array contains the exact keys and values of another.
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*
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* @param array $val1
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* @param array $val2
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* @return boolean
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*/
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function contains($val1, $val2 = null) {
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if ($val2 == null && is_a($this, 'set')) {
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$val2 = $val1;
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$val1 = $this->get();
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} elseif ($val2 != null && is_object($val2) && is_a($val2, 'set')) {
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$val2 = $val2->get();
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}
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foreach ($val2 as $key => $val) {
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if (is_numeric($key)) {
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if (!in_array($val, $val1)) {
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return false;
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}
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} else {
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if (!isset($val1[$key]) || $val1[$key] != $val) {
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return false;
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}
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}
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}
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return true;
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}
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/**
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* Counts the dimensions of an array
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*
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* @param array $array
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* @return int The number of dimensions in $array
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*/
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function countDim($array = null) {
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if ($array === null) {
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$array = $this->get();
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} elseif (is_object($array) && is_a($array, 'set')) {
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$array = $array->get();
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}
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if (is_array(reset($array))) {
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$return = Set::countDim(reset($array)) + 1;
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} else {
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$return = 1;
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}
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return $return;
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}
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/**
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* Normalizes a string or array list
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*
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* @param mixed $list
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* @param boolean $assoc If true, $list will be converted to an associative array
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* @param string $sep If $list is a string, it will be split into an array with $sep
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* @param boolean $trim If true, separated strings will be trimmed
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* @return array
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*/
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function normalize($list, $assoc = true, $sep = ',', $trim = true) {
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if (is_string($list)) {
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$list = explode($sep, $list);
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if ($trim) {
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$list = array_map('trim', $list);
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}
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if ($assoc) {
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return Set::normalize($list);
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}
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} elseif (is_array($list)) {
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$keys = array_keys($list);
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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[$list[$keys[$i]]] = null;
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} else {
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$newList[$keys[$i]] = $list[$keys[$i]];
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}
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}
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$list = $newList;
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}
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}
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return $list;
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}
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}
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?>
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