469 lines
11 KiB
PHP
469 lines
11 KiB
PHP
<?php
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namespace Prowebcraft;
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use ArrayAccess;
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/**
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* Dot Notation
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*
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* This class provides dot notation access to arrays, so it's easy to handle
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* multidimensional data in a clean way.
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*/
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class Dot implements \ArrayAccess, \Iterator, \Countable
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{
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/** @var array Data */
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protected $data = [];
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/**
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* Constructor
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*
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* @param array|null $data Data
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*/
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public function __construct(array $data = null)
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{
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if (is_array($data)) {
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$this->data = $data;
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}
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}
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/**
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* Get value of path, default value if path doesn't exist or all data
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*
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* @param array $array Source Array
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* @param mixed|null $key Path
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* @param mixed|null $default Default value
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* @return mixed Value of path
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*/
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public static function getValue($array, $key, $default = null)
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{
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if (is_string($key)) {
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// Iterate path
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$keys = explode('.', $key);
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foreach ($keys as $key) {
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if (!isset($array[$key])) {
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return $default;
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}
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$array = &$array[$key];
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}
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// Get value
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return $array;
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} elseif (is_null($key)) {
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// Get all data
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return $array;
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}
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return null;
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}
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/**
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* Set value or array of values to path
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*
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* @param array $array Target array with data
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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*/
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public static function setValue(&$array, $key, $value)
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{
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if (is_string($key)) {
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// Iterate path
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$keys = explode('.', $key);
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foreach ($keys as $key) {
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if (!isset($array[$key]) || !is_array($array[$key])) {
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$array[$key] = [];
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}
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$array = &$array[$key];
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}
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// Set value to path
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$array = $value;
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} elseif (is_array($key)) {
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// Iterate array of paths and values
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foreach ($key as $k => $v) {
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self::setValue($array, $k, $v);
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}
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}
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}
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/**
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* Add value or array of values to path
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*
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* @param array $array Target array with data
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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* @param boolean $pop Helper to pop out last key if value is an array
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*/
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public static function addValue(&$array, $key, $value = null, $pop = false)
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{
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if (is_array($key)) {
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// Iterate array of paths and values
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foreach ($key as $k => $v) {
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self::addValue($array, $k, $v);
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}
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} else {
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// Iterate path
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$keys = explode('.', (string)$key);
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if ($pop === true) {
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array_pop($keys);
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}
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foreach ($keys as $key) {
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if (!isset($array[$key]) || !is_array($array[$key])) {
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$array[$key] = [];
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}
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$array = &$array[$key];
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}
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// Add value to path
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$array[] = $value;
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}
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}
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/**
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* Delete path or array of paths
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*
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* @param array $array Target array with data
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* @param mixed $key Path or array of paths to delete
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*/
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public static function deleteValue(&$array, $key)
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{
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if (is_string($key)) {
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// Iterate path
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$keys = explode('.', $key);
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$last = array_pop($keys);
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foreach ($keys as $key) {
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if (!isset($array[$key])) {
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return;
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}
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$array = &$array[$key];
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}
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if (isset($array[$last])) {
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// Detele path
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unset($array[$last]);
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}
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} elseif (is_array($key)) {
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// Iterate array of paths
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foreach ($key as $k) {
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self::delete($k);
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}
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}
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}
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/**
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* Get value of path, default value if path doesn't exist or all data
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*
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* @param mixed|null $key Path
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* @param mixed|null $default Default value
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* @return mixed Value of path
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*/
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public function get($key, $default = null, $asObject = false)
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{
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$value = self::getValue($this->data, $key, $default);
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if ($asObject && is_array($value)) {
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return new self($value);
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}
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return $value;
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}
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/**
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* Set value or array of values to path
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*
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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* @return $this
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*/
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public function set($key, $value = null)
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{
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self::setValue($this->data, $key, $value);
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return $this;
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}
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/**
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* Add value or array of values to path
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*
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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* @param boolean $pop Helper to pop out last key if value is an array
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* @return $this
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*/
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public function add($key, $value = null, $pop = false)
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{
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self::addValue($this->data, $key, $value);
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return $this;
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}
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/**
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* Check if path exists
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*
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* @param string $key Path
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* @return boolean
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*/
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public function has($key)
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{
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$keys = explode('.', (string)$key);
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$data = &$this->data;
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foreach ($keys as $key) {
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if (!isset($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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return true;
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}
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/**
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* Delete path or array of paths
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*
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* @param mixed $key Path or array of paths to delete
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* @return $this
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*/
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public function delete($key)
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{
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self::deleteValue($this->data, $key);
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return $this;
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}
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/**
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* Increase numeric value
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*
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* @param string $key
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* @param float $number
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* @return float
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*/
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public function plus(string $key, float $number): float
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{
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$newAmount = $this->get($key, 0) + $number;
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$this->set($key, $newAmount);
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return $newAmount;
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}
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/**
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* Reduce numeric value
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*
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* @param string $key
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* @param float $number
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* @return float
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*/
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public function minus(string $key, float $number): float
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{
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$newAmount = $this->get($key, 0) - $number;
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$this->set($key, $newAmount);
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return $newAmount;
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}
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/**
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* Delete all data, data from path or array of paths and
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* optionally format path if it doesn't exist
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*
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* @param mixed|null $key Path or array of paths to clean
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* @param boolean $format Format option
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*/
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public function clear($key = null, $format = false)
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{
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if (is_string($key)) {
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// Iterate path
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$keys = explode('.', $key);
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$data = &$this->data;
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foreach ($keys as $key) {
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if (!isset($data[$key]) || !is_array($data[$key])) {
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if ($format === true) {
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$data[$key] = [];
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} else {
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return;
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}
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}
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$data = &$data[$key];
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}
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// Clear path
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$data = [];
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} elseif (is_array($key)) {
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// Iterate array
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foreach ($key as $k) {
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$this->clear($k, $format);
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}
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} elseif (is_null($key)) {
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// Clear all data
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$this->data = [];
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}
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}
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/**
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* Set data
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*
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* @param array $data
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*/
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public function setData(array $data)
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{
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$this->data = $data;
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}
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/**
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* Set data as a reference
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*
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* @param array $data
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*/
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public function setDataAsRef(array &$data)
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{
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$this->data = &$data;
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}
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/**
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* ArrayAccess abstract methods
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*/
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public function offsetSet($offset, $value)
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{
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$this->set($offset, $value);
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}
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public function offsetExists($offset)
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{
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return $this->has($offset);
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}
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public function offsetGet($offset)
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{
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return $this->get($offset);
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}
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public function offsetUnset($offset)
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{
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$this->delete($offset);
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}
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/**
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* Magic methods
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*/
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public function __set($key, $value = null)
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{
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$this->set($key, $value);
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}
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public function __get($key)
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{
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return $this->get($key);
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}
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public function __isset($key)
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{
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return $this->has($key);
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}
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public function __unset($key)
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{
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$this->delete($key);
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}
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/**
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* Check for emptiness
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*
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* @return bool
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*/
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public function isEmpty(): bool
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{
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return !(bool)count($this->data);
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}
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/**
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* Return all data as array
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*
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* @return array
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*/
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public function toArray()
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{
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return $this->data;
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}
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/**
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* Return as json string
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*
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* @return false|string
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*/
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public function toJson()
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{
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return json_encode($this->data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);
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}
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/**
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* @return string
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*/
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public function __toString()
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{
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return $this->toJson();
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}
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/**
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* @return array
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*/
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public function __toArray()
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{
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return $this->toArray();
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}
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/**
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* Return the current element
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* @link https://php.net/manual/en/iterator.current.php
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* @return mixed Can return any type.
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* @since 5.0.0
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*/
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public function current()
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{
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return current($this->data);
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}
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/**
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* Move forward to next element
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* @link https://php.net/manual/en/iterator.next.php
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* @return void Any returned value is ignored.
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* @since 5.0.0
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*/
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public function next()
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{
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return next($this->data);
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}
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/**
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* Return the key of the current element
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* @link https://php.net/manual/en/iterator.key.php
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* @return mixed scalar on success, or null on failure.
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* @since 5.0.0
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*/
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public function key()
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{
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return key($this->data);
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}
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/**
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* Checks if current position is valid
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* @link https://php.net/manual/en/iterator.valid.php
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* @return bool The return value will be casted to boolean and then evaluated.
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* Returns true on success or false on failure.
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* @since 5.0.0
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*/
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public function valid()
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{
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$key = key($this->data);
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return ($key !== NULL && $key !== FALSE);
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}
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/**
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* Rewind the Iterator to the first element
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* @link https://php.net/manual/en/iterator.rewind.php
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* @return void Any returned value is ignored.
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* @since 5.0.0
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*/
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public function rewind()
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{
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return reset($this->data);
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}
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/**
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* @inheritDoc
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*/
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public function count()
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{
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return count($this->data);
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}
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}
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