Online PHP editor | output for 7HheK

<?php define("UV_VERSION", "1.2.0"); define("UV_LIB_VERSION", "1.0.1"); class UVArray extends UVObject { public function add($object) { $count = count(get_object_vars($this)); $this->$count = new UVObject($object); } public function set($key, $value) { if (is_numeric($key)) { $this->$key = $value; } } } class UVObject { public function __construct($attributes=array()) { if (!empty($attributes)) { foreach ($attributes as $key => $value) { $this->set($key, $value); } } $this->convertNestedObjects(); } public function set($key, $value) { $this->$key = $value; } public function get($index) { return $this->$index; } public function toArray() { $obj = array(); $vars = get_object_vars($this); foreach ($vars as $key => $value) { if (is_object($value) && method_exists($value, "toArray")) { $obj[$key] = $value->toArray(); } else { $obj[$key] = $value; } } if (count($obj) == 0 && !($this instanceof UVArray)) { return new stdClass(); } return $obj; } public function isEmpty() { $vars = get_object_vars($this); if (empty($vars)) { return true; } else if (count($vars) === 1 && isset($vars["line_items"]) && count(get_object_vars($vars["line_items"])) == 0) { return true; } else if (count($vars) === 1 && isset($vars["items"]) && count(get_object_vars($vars["items"])) == 0) { return true; } else if (count($vars) === 2 && isset($vars["linked_products"]) && count(get_object_vars($vars["linked_products"])) == 0 && isset($vars["reviews"]) && count(get_object_vars($vars["reviews"])) == 0) { return true; } else { return false; } } private function convertNestedObjects() { $vars = get_object_vars($this); foreach($vars as $key => $value) { if (is_array($value) && $this->isAssociative($value)) { $this->$key = new UVObject($value); } else if (is_array($value)) { $this->$key = new UVArray($value); } } } private function isAssociative($arr) { return array_keys($arr) !== range(0, count($arr) - 1); } } class BuildUV extends UVObject { public function __construct() { $this->set("page", new UVObject()); $this->set("user", new UVObject()); $this->set("product", new UVObject()); $this->get("product")->set("linked_products", new UVArray()); $this->get("product")->set("reviews", new UVArray()); $this->set("listing", new UVObject()); $this->get("listing")->set("items", new UVArray()); $this->set("transaction", new UVObject()); $this->get("transaction")->set("line_items", new UVArray()); $this->set("basket", new UVObject()); $this->get("basket")->set("line_items", new UVArray()); $this->set("events", new UVArray()); $this->set("recommendation", new UVArray()); } public function toJSON() { $uvOutput = array(); $uvOutput["page"] = $this->page->toArray(); $uvOutput["user"] = $this->user->toArray(); $uvOutput["events"] = $this->events->toArray(); $uvOutput["version"] = UV_VERSION; $uvOutput["php_lib_version"] = UV_LIB_VERSION; $vars = get_object_vars($this); foreach ($vars as $key => $value) { if (isset($uvOutput[$key])) { continue; } if (method_exists($value, "isEmpty") && !$value->isEmpty()) { if (method_exists($value, "toArray")) { $uvOutput[$key] = $value->toArray(); } else { $uvOutput[$key] = $value; } } } return json_encode($uvOutput); } public function toHTML() { return "\n  <script> window.universal_variable = " . $this->toJSON() . "; </script>  \n"; } } ?> <?php $uv = new BuildUV(); $uv->get("page")->set("category", "Home"); $uv->get("page")->set("subcategory", "Mens - Shoes"); print $uv->toJSON(); => {"page":{"category":"Home","subcategory":"Mens - Shoes"},"user":{},"events":[]} ?>