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<?php
/*
* File: Attribute.php
* Category: -
* Author: M. Goldenbaum
* Created: 01.01.21 20:17
* Updated: -
*
* Description:
* -
*/
namespace Webklex\PHPIMAP;
use ArrayAccess;
use Carbon\Carbon;
/**
* Class Attribute
*
* @package Webklex\PHPIMAP
*/
class Attribute implements ArrayAccess {
/** @var string $name */
protected $name;
/**
* Value holder
*
* @var array $values
*/
protected $values = [];
/**
* Attribute constructor.
* @param string $name
* @param array|mixed $value
*/
public function __construct($name, $value = null) {
$this->setName($name);
$this->add($value);
}
/**
* Return the stringified attribute
*
* @return string
*/
public function __toString() {
return implode(", ", $this->values);
}
/**
* Return the stringified attribute
*
* @return string
*/
public function toString(){
return $this->__toString();
}
/**
* Return the serialized attribute
*
* @return array
*/
public function __serialize(){
return $this->values;
}
/**
* Convert instance to array
*
* @return array
*/
public function toArray(){
return $this->__serialize();
}
/**
* Convert first value to a date object
*
* @return Carbon|null
*/
public function toDate(){
$date = $this->first();
if ($date instanceof Carbon) return $date;
return Carbon::parse($date);
}
/**
* Determine if a value exists at an offset.
*
* @param mixed $key
* @return bool
*/
public function offsetExists($key) {
return array_key_exists($key, $this->values);
}
/**
* Get a value at a given offset.
*
* @param mixed $key
* @return mixed
*/
public function offsetGet($key) {
return $this->values[$key];
}
/**
* Set the value at a given offset.
*
* @param mixed $key
* @param mixed $value
* @return void
*/
public function offsetSet($key, $value) {
if (is_null($key)) {
$this->values[] = $value;
} else {
$this->values[$key] = $value;
}
}
/**
* Unset the value at a given offset.
*
* @param string $key
* @return void
*/
public function offsetUnset($key) {
unset($this->values[$key]);
}
/**
* Add one or more values to the attribute
* @param array|mixed $value
* @param boolean $strict
*
* @return Attribute
*/
public function add($value, $strict = false) {
if (is_array($value)) {
return $this->merge($value, $strict);
}elseif ($value !== null) {
$this->attach($value, $strict);
}
return $this;
}
/**
* Merge a given array of values with the current values array
* @param array $values
* @param boolean $strict
*
* @return Attribute
*/
public function merge($values, $strict = false) {
if (is_array($values)) {
foreach ($values as $value) {
$this->attach($value, $strict);
}
}
return $this;
}
/**
* Check if the attribute contains the given value
* @param mixed $value
*
* @return bool
*/
public function contains($value) {
foreach ($this->values as $v) {
if ($v === $value) {
return true;
}
}
return false;
}
/**
* Attach a given value to the current value array
* @param $value
* @param bool $strict
*/
public function attach($value, $strict = false) {
if ($strict === true) {
if ($this->contains($value) === false) {
$this->values[] = $value;
}
}else{
$this->values[] = $value;
}
}
/**
* Set the attribute name
* @param $name
*
* @return Attribute
*/
public function setName($name){
$this->name = $name;
return $this;
}
/**
* Get the attribute name
*
* @return string
*/
public function getName(){
return $this->name;
}
/**
* Get all values
*
* @return array
*/
public function get(){
return $this->values;
}
/**
* Alias method for self::get()
*
* @return array
*/
public function all(){
return $this->get();
}
/**
* Get the first value if possible
*
* @return mixed|null
*/
public function first(){
if ($this->offsetExists(0)) {
return $this->values[0];
}
return null;
}
/**
* Get the last value if possible
*
* @return mixed|null
*/
public function last(){
if (($cnt = $this->count()) > 0) {
return $this->values[$cnt - 1];
}
return null;
}
/**
* Get the number of values
*
* @return int
*/
public function count(){
return count($this->values);
}
}