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- <?php
- namespace Grav\Common;
- /**
- * Abstract class to implement magic __get(), __set(), __isset() and __unset().
- * Also implements ArrayAccess.
- *
- * @author RocketTheme
- * @license MIT
- */
- abstract class Getters implements \ArrayAccess, \Countable
- {
- /**
- * Define variable used in getters.
- *
- * @var string
- */
- protected $gettersVariable = null;
- /**
- * Magic setter method
- *
- * @param mixed $offset Medium name value
- * @param mixed $value Medium value
- */
- public function __set($offset, $value)
- {
- $this->offsetSet($offset, $value);
- }
- /**
- * Magic getter method
- *
- * @param mixed $offset Medium name value
- * @return mixed Medium value
- */
- public function __get($offset)
- {
- return $this->offsetGet($offset);
- }
- /**
- * Magic method to determine if the attribute is set
- *
- * @param mixed $offset Medium name value
- * @return boolean True if the value is set
- */
- public function __isset($offset)
- {
- return $this->offsetExists($offset);
- }
- /**
- * Magic method to unset the attribute
- *
- * @param mixed $offset The name value to unset
- */
- public function __unset($offset)
- {
- $this->offsetUnset($offset);
- }
- /**
- * @param mixed $offset
- * @return bool
- */
- public function offsetExists($offset)
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- return isset($this->{$var}[$offset]);
- } else {
- return isset($this->{$offset});
- }
- }
- /**
- * @param mixed $offset
- * @return mixed
- */
- public function offsetGet($offset)
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- return isset($this->{$var}[$offset]) ? $this->{$var}[$offset] : null;
- } else {
- return isset($this->{$offset}) ? $this->{$offset} : null;
- }
- }
- /**
- * @param mixed $offset
- * @param mixed $value
- */
- public function offsetSet($offset, $value)
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- $this->{$var}[$offset] = $value;
- } else {
- $this->{$offset} = $value;
- }
- }
- /**
- * @param mixed $offset
- */
- public function offsetUnset($offset)
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- unset($this->{$var}[$offset]);
- } else {
- unset($this->{$offset});
- }
- }
- /**
- * @return int
- */
- public function count()
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- count($this->{$var});
- } else {
- count($this->toArray());
- }
- }
- /**
- * Returns an associative array of object properties.
- *
- * @return array
- */
- public function toArray()
- {
- if ($this->gettersVariable) {
- $var = $this->gettersVariable;
- return $this->{$var};
- } else {
- $properties = (array) $this;
- $list = array();
- foreach ($properties as $property => $value) {
- if ($property[0] != "\0") $list[$property] = $value;
- }
- return $list;
- }
- }
- }
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