| 1 |  |  | <?php namespace Knot\Dict; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | use ArrayAccess; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | use Countable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Illuminate\Contracts\Support\Arrayable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use IteratorAggregate; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Knot\Exceptions\FunctionExecuteException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Knot\Exceptions\WrongArrayPathException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Knot\Exceptions\WrongFunctionException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * PHP ArrayEqualHelper methods | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @method $this merge( array $array1 = null, array $array2 = null, array $_ = null ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @method $this reverse() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * @method $this values() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * @method mixed shift() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * @method mixed unshift( mixed $variable ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * @method mixed push( mixed $variable ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | abstract class AbstractDictBody implements Arrayaccess, Countable, IteratorAggregate, Arrayable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	use ArrayAccessTrait, CountableTrait, IteratorAggregateTrait, PathOperationsTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	 * Knot data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	 * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	protected $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @var AbstractDictBody | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	protected $parentArray; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * @return AbstractDictBody | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	abstract public function kill(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	 * @param array            $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	 * @param AbstractDictBody $parent | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	 * @param                  $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	public function __construct(array &$data, AbstractDictBody $parent = null, $path = '') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 		$this->data        =& $data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 		$this->path        = $path; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 		$this->parentArray = $parent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	 * @param $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	 * @param $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	public function __set($key, $value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 		$this->data[$key] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	 * @param string|int $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * @return mixed|\Knot\Dict\ChildDict | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * @throws \Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	public function &__get($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 		if ( array_key_exists($key, $this->data) ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 			$target =& $this->data[$key]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 		else | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 			throw new WrongArrayPathException($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 		if ( is_array($target) ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 			$r = new ChildDict($target, $this->childParent(), $this->path($key)); | 
                            
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                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 			return $r; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 		return $target; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	 * Call callable data variable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 	 * @param string $methodPath | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 	 * @param array  $arguments | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	 * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	 * @throws \Exception | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 102 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  | 	public function call($methodPath, array $arguments = [ ]) | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  | 	{ | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  | 		$function = $this->get($methodPath, false); | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  | 		if ( ! $function || ! is_callable($function) ) | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  | 			throw new WrongFunctionException("Wrong function or not callable key!"); | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  | 		try | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  | 			$arguments = array_merge([ &$this->data ], $arguments); | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  | 			return call_user_func_array($function, $arguments); | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  | 		catch (\Exception $e) | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  | 		{ | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  | 			throw new FunctionExecuteException($methodPath); | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 	 * Function list: Helper Libraries! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 	 * @param string $method | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 	 * @param array  $arguments | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 	 * @return $this|mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	 * @throws \Exception|WrongFunctionException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 	public function __call($method, $arguments = [ ]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		try | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 			return $this->getHelperManager()->execute($method, $arguments, $this); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 		catch (\Exception $e) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 		{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 			throw $e; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 	 * @param mixed $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 	public function __isset($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 		return isset( $this->data[$key] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 	 * @param mixed $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 	public function __unset($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 		unset( $this->data[$key] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 	 * Easy Access for get function! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 	 * @param $path | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 	 * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 	public function __invoke($path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 		return $this->get($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 	 * Only search own data keys. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 	 * @param mixed $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  | 	public function keyExists($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | 		return isset( $this->data[$key] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 	 * @return HelperManager | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  | 	public function getHelperManager() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  | 		return HelperManager::getInstance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  | 	 * @return int|string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  | 	public function lastKey() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  | 		end($this->data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  | 		return key($this->data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  | 	public function &toArray() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  | 		return $this->data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  | 	 * @return ParentDict | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  | 	public function copy() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  | 		$_data = $this->data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  | 		return new ParentDict($_data, null, ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | 	 * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | 	public function childParent() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  | 		return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 241 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 242 |  |  |  | 
            
                        
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: