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<?php
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namespace Walker;
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/**
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6
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* Class Walker
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*/
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class Walker
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{
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/**
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* @var array
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*/
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private $dataEntryPoint;
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/**
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* @var array
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*/
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private $founds = [];
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/**
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* @var array
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*/
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private $targets = [];
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/**
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* @param array $founds
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*/
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private function setFounds(array $founds) : void
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{
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$this->founds = $founds;
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}
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/**
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* @param string $json
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* @return Walker
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*/
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public function fromJson(string $json) : self
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{
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$this->setFounds([]);
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$this->dataEntryPoint = json_decode($json);
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return $this;
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}
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/**
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* @param array $rawData
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* @return Walker
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*/
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public function from(array $rawData) : self
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{
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$this->setFounds([]);
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$this->dataEntryPoint = $rawData;
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return $this;
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}
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/**
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* @param $target
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* @return Walker
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*/
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public function with($target) : self
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{
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$this->targets[] = $target;
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return $this;
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}
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/**
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* @param callable|null $formatter
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* @return string
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*/
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public function asString(callable $formatter = null) : string
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{
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$this->run();
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return (is_null($formatter)) ? implode(', ', $this->founds) : $formatter($this->founds);
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}
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/**
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* @return array
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*/
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public function asArray() : array
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{
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$this->run();
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return $this->founds;
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}
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/**
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* @param $target
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* @return array
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*/
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protected function parseTarget($target) : array
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{
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$separator = '->';
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return explode($separator, $target);
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}
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/**
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* @param $node
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* @param array $matches
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* @return void
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*/
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protected function walk($node, array $matches) : void
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{
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if (is_object($node)) {
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$match = array_shift($matches);
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if (property_exists($node, $match)) {
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if(count($matches) === 0 && isset($node->$match)) {
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$this->founds[] = $node->$match;
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return;
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}
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$this->walk($node->$match, $matches);
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}
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7 |
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} elseif (is_array($node)) {
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6 |
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foreach ($node as $n) {
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$this->walk($n, $matches);
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}
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}
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8 |
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}
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121
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122
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9 |
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private function run() : void
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123
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{
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124
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9 |
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foreach ($this->targets as $target) {
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125
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8 |
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$this->walk($this->dataEntryPoint, $this->parseTarget($target));
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}
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}
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128
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}
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x0r0x /
Walker
