FilteredIterator.php (1267B)
1 <?php 2 /** 3 * Iterator for arrays requiring filtered values 4 * 5 * @package Requests 6 * @subpackage Utilities 7 */ 8 9 /** 10 * Iterator for arrays requiring filtered values 11 * 12 * @package Requests 13 * @subpackage Utilities 14 */ 15 class Requests_Utility_FilteredIterator extends ArrayIterator { 16 /** 17 * Callback to run as a filter 18 * 19 * @var callable 20 */ 21 protected $callback; 22 23 /** 24 * Create a new iterator 25 * 26 * @param array $data 27 * @param callable $callback Callback to be called on each value 28 */ 29 public function __construct($data, $callback) { 30 parent::__construct($data); 31 32 $this->callback = $callback; 33 } 34 35 /** 36 * Get the current item's value after filtering 37 * 38 * @return string 39 */ 40 public function current() { 41 $value = parent::current(); 42 43 if (is_callable($this->callback)) { 44 $value = call_user_func($this->callback, $value); 45 } 46 47 return $value; 48 } 49 50 /** 51 * @inheritdoc 52 */ 53 public function unserialize($serialized) {} 54 55 /** 56 * @inheritdoc 57 * 58 * @phpcs:disable PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.MethodDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__unserializeFound 59 */ 60 public function __unserialize($serialized) {} 61 62 public function __wakeup() { 63 unset($this->callback); 64 } 65 }