| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @author Boudewijn Schoon <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @copyright Zicht Online <http://zicht.nl> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | namespace Zicht\Itertools\twig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Zicht\Itertools; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * Twig extension. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * <service id="zicht_itertools_twig_extension" class="Zicht\Itertools\twig\Extension"> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  *    <tag name="twig.extension"/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * </service> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * @package Zicht\Itertools\twig | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | class Extension extends \Twig_Extension | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @{inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 | 1 |  |     public function getFilters() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |             // filter names are case-sensitive | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 | 1 |  |             new \Twig_SimpleFilter('all', '\Zicht\Itertools\all'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 | 1 |  |             new \Twig_SimpleFilter('any', '\Zicht\Itertools\any'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 1 |  |             new \Twig_SimpleFilter('chain', '\Zicht\Itertools\chain'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 | 1 |  |             new \Twig_SimpleFilter('filter', [$this, 'filter']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 | 1 |  |             new \Twig_SimpleFilter('first', '\Zicht\Itertools\first'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 1 |  |             new \Twig_SimpleFilter('group_by', [$this, 'groupBy']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 1 |  |             new \Twig_SimpleFilter('last', '\Zicht\Itertools\last'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 1 |  |             new \Twig_SimpleFilter('map', [$this, 'map']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 1 |  |             new \Twig_SimpleFilter('map_by', [$this, 'mapBy']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 1 |  |             new \Twig_SimpleFilter('reduce', '\Zicht\Itertools\reduce'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 1 |  |             new \Twig_SimpleFilter('reversed', '\Zicht\Itertools\reversed'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 1 |  |             new \Twig_SimpleFilter('sorted', [$this, 'sorted']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 1 |  |             new \Twig_SimpleFilter('unique', [$this, 'unique']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 1 |  |             new \Twig_SimpleFilter('zip', '\Zicht\Itertools\zip'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |             // deprecated filters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 1 |  |             new \Twig_SimpleFilter('filterby', [$this, 'deprecatedFilterBy'], ['deprecated' => true, 'alternative' => 'filter']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 1 |  |             new \Twig_SimpleFilter('groupBy', [$this, 'deprecatedGroupBy'], ['deprecated' => true, 'alternative' => 'group_by']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  |             new \Twig_SimpleFilter('groupby', [$this, 'deprecatedGroupBy'], ['deprecated' => true, 'alternative' => 'group_by']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 1 |  |             new \Twig_SimpleFilter('mapBy', [$this, 'deprecatedMapBy'], ['deprecated' => true, 'alternative' => 'map_by']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 1 |  |             new \Twig_SimpleFilter('mapby', [$this, 'deprecatedMapBy'], ['deprecated' => true, 'alternative' => 'map_by']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 1 |  |             new \Twig_SimpleFilter('sum', [$this, 'deprecatedSum'], ['deprecated' => true, 'alternative' => 'reduce']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 1 |  |             new \Twig_SimpleFilter('uniqueby', [$this, 'deprecatedUniqueBy'], ['deprecated' => true, 'alternative' => 'unique']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 1 |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * @{inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |     public function getFunctions() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |             new \Twig_SimpleFunction('chain', '\Zicht\Itertools\chain'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  |             new \Twig_SimpleFunction('first', '\Zicht\Itertools\first'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 1 |  |             new \Twig_SimpleFunction('last', '\Zicht\Itertools\last'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             // functions to create closures | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 1 |  |             new \Twig_SimpleFunction('reducing', [$this, 'reducing']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 1 |  |             new \Twig_SimpleFunction('mapping', [$this, 'mapping']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 1 |  |             new \Twig_SimpleFunction('filtering', [$this, 'filtering']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             // deprecated functions | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 1 |  |             new \Twig_SimpleFunction('reduction', [$this, 'deprecatedGetReduction'], ['deprecated' => true, 'alternative' => 'reducing']), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 1 |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * Takes an iterable and returns another iterable that is unique. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @param mixed $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * @return Itertools\lib\UniqueIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 1 |  |     public function unique($iterable, $strategy = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 1 |  |         return Itertools\unique($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * Reduce an iterable to a single value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * Simple examples: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * {{ [1,2,3]|reduce }} --> 6 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * {{ [1,2,3]|reduce('max') }} --> 3 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * Sro example to get the prices for all items in the basket: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * {{ transaction_snapshot.Basket.Items|map('TotalPrice.Amount')|reduce }} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @param string|\Closure $closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @param mixed $initializer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 1 |  |     public function reduce($iterable, $closure = 'add', $initializer = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 1 |  |         return Itertools\reduce($iterable, $closure, $initializer); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * Make an iterator that returns consecutive groups from the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * $iterable.  Generally, the $iterable needs to already be sorted on | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * the same key function. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * @param boolean $sort | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @return Itertools\lib\GroupbyIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 1 |  |     public function groupBy($iterable, $strategy, $sort = true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 1 |  |         return Itertools\group_by($strategy, $iterable, $sort); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * Make an iterator that returns values from $iterable where the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      * $strategy determines that the values are not empty. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * @param null $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @return Itertools\lib\FilterIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 1 |  |     public function filter($iterable, $strategy = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 1 |  |         return Itertools\filter($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * Make an iterator that returns the values from $iterable sorted by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * $strategy. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @param bool $reverse | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @return Itertools\lib\SortedIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 1 |  |     public function sorted($iterable, $strategy = null, $reverse = false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 1 |  |         return Itertools\sorted($strategy, $iterable, $reverse); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * Make an iterator that applies $func to every entry in the $iterables. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * @return Itertools\lib\MapIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 1 |  |     public function map($iterable, $strategy) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 1 |  |         return Itertools\map($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |      * Make an iterator returning values from $iterable and keys from | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |      * $strategy. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * @return Itertools\lib\MapByIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 1 |  |     public function mapBy($iterable, $strategy) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 1 |  |         return Itertools\map_by($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      * Returns a reduction closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |      * Any parameters provided, beyond $name, are passed directly to the underlying | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |      * reduction.  This can be used to, for example, provide a $glue when using join. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * @return \Closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * @throws \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 185 | 4 | View Code Duplication |     public function reducing($name) | 
                            
                    |  |  |  | 
                                                                                        
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                | 186 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |         // note, once we stop supporting php 5.5, we can rewrite the code below | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         // to the reducing($name, ...$args) structure. | 
                            
                    |  |  |  | 
                                                                                        
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                | 189 |  |  |         // http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 | 4 |  |         if (is_string($name) && in_array($name, [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 4 |  |                 'add', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 | 4 |  |                 'chain', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 4 |  |                 'join', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 4 |  |                 'max', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 4 |  |                 'min', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 | 4 |  |                 'mul', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 4 |  |                 'sub', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 4 |  |             ])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 2 |  |             return call_user_func_array(sprintf('\Zicht\Itertools\reductions\%s', $name), array_slice(func_get_args(), 1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 2 |  |         throw new \InvalidArgumentException(sprintf('$NAME "%s" is not a valid reduction.', $name)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      * Returns a mapping closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |      * Any parameters provided, beyond $name, are passed directly to the underlying | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |      * mapping.  This can be used to, for example, provide a $glue when using join. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |      * @return \Closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * @throws \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 2 |  |     public function mapping($name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |         // note, once we stop supporting php 5.5, we can rewrite the code below | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |         // to the reducing($name, ...$args) structure. | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |         // http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 2 |  |         if (is_string($name) && in_array($name, [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 2 |  |                 'json_decode', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 | 2 |  |                 'json_encode', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 | 2 |  |                 'key', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 | 2 |  |                 'length', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 | 2 |  |                 'lower', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 | 2 |  |                 'lstrip', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 | 2 |  |                 'random', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 | 2 |  |                 'rstrip', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 2 |  |                 'select', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 | 2 |  |                 'strip', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 | 2 |  |                 'type', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 | 2 |  |                 'upper', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 | 2 |  |             ])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 | 1 |  |             return call_user_func_array(sprintf('\Zicht\Itertools\mappings\%s', $name), array_slice(func_get_args(), 1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 | 1 |  |         throw new \InvalidArgumentException(sprintf('$NAME "%s" is not a valid mapping.', $name)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |      * Returns a filter closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |      * Any parameters provided, beyond $name, are passed directly to the underlying | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |      * filter.  This can be used to, for example, provide a $glue when using join. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |      * @return \Closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |      * @throws \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |      */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 252 | 2 | View Code Duplication |     public function filtering($name) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |         // note, once we stop supporting php 5.5, we can rewrite the code below | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |         // to the reducing($name, ...$args) structure. | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |         // http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 | 2 |  |         if (is_string($name) && in_array($name, [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 | 2 |  |                 'equals', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 | 2 |  |                 'in', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 | 2 |  |                 'match', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 | 2 |  |                 'not', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 | 2 |  |                 'not_in', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 | 2 |  |                 'type', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 | 2 |  |             ])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 | 1 |  |             return call_user_func_array(sprintf('\Zicht\Itertools\filters\%s', $name), array_slice(func_get_args(), 1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 | 1 |  |         throw new \InvalidArgumentException(sprintf('$NAME "%s" is not a valid filter.', $name)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      * Make an iterator that returns values from $iterable where the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |      * $strategy determines that the values are not empty. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |      * @return Itertools\lib\FilterIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |      * @deprecated Use filter instead! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |     public function deprecatedFilterBy($iterable, $strategy) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |         return Itertools\filter($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |      * Make an iterator that returns consecutive groups from the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |      * $iterable.  Generally, the $iterable needs to already be sorted on | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |      * the same key function. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |      * @return Itertools\lib\GroupbyIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |      * @deprecated Use group_by instead! | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 298 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 299 |  |  |     public function deprecatedGroupBy($iterable, $strategy) | 
            
                                                                        
                            
            
                                    
            
            
                | 300 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 301 |  |  |         return Itertools\group_by($strategy, $iterable); | 
            
                                                                        
                            
            
                                    
            
            
                | 302 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |      * Make an iterator returning values from $iterable and keys from | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |      * $strategy. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |      * @param string|\Closure $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |      * @return Itertools\lib\MapByIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |      * @deprecated Use map_by instead! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |     public function deprecatedMapBy($iterable, $strategy) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |         return Itertools\mapBy($strategy, $iterable); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |      * Create a reduction | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |      * @param int $default | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |      * @deprecated Use reduce instead! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |     public function deprecatedSum($iterable, $default = 0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |         $result = $default; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |         foreach (Itertools\accumulate($iterable) as $result) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |      * Takes an iterable and returns another iterable that is unique. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |      * @param array|string|\Iterator $iterable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |      * @param mixed $strategy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  |      * @return Itertools\lib\UniqueIterator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |      * @deprecated Use unique instead! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |     public function deprecatedUniqueBy($iterable, $strategy = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |         return Itertools\unique($strategy, $iterable); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |      * Returns a reduction closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |      * @param string $name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |      * @return \Closure | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |      * @throws \InvalidArgumentException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |      * @deprecated Use reducing instead! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |     public function deprecatedGetReduction($name) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |         return call_user_func_array([$this, 'reducing'], func_get_args()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |      * @{inheritDoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 | 1 |  |     public function getName() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 | 1 |  |         return 'zicht_itertools'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 371 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 372 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.