| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Seboettg\CiteProc\Rendering\Name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Seboettg\CiteProc\Rendering\Label; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Seboettg\CiteProc\Rendering\RenderingInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Seboettg\CiteProc\Styles\AffixesTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Seboettg\CiteProc\Styles\DelimiterTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Seboettg\CiteProc\Styles\FormattingTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Seboettg\CiteProc\Util\Factory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Seboettg\Collection\ArrayList; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * Class Group | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * @package Seboettg\CiteProc\Rendering | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * @author Sebastian Böttger <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | class Names implements RenderingInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     use DelimiterTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     use AffixesTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     use FormattingTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * Variables (selected with the required variable attribute), each of which can contain multiple names (e.g. the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * “author” variable contains all the author names of the cited item). If multiple variables are selected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * (separated by single spaces, see example below), each variable is independently rendered in the order specified. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @var ArrayList | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     private $variables; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * The Name element, an optional child element of Names, can be used to describe the formatting of individual | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * names, and the separation of names within a name variable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @var Name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     private $name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * The optional Label element must be included after the Name and EtAl elements, but before | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * the Substitute element. When used as a child element of Names, Label does not carry the variable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * attribute; it uses the variable(s) set on the parent Names element instead. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @var Label | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     private $label; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * The optional Substitute element, which must be included as the last child element of Names, adds | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * substitution in case the name variables specified in the parent cs:names element are empty. The substitutions | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * are specified as child elements of Substitute, and must consist of one or more rendering elements (with the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * exception of Layout). A shorthand version of Names without child elements, which inherits the attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * values set on the cs:name and EtAl child elements of the original Names element, may also be used. If | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * Substitute contains multiple child elements, the first element to return a non-empty result is used for | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * substitution. Substituted variables are suppressed in the rest of the output to prevent duplication. An example, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * where an empty “author” name variable is substituted by the “editor” name variable, or, when no editors exist, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * by the “title” macro: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * <macro name="author"> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      *     <names variable="author"> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      *         <substitute> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      *             <names variable="editor"/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      *             <text macro="title"/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      *         </substitute> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      *     </names> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * </macro> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @var Substitute | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     private $substitute; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * Et-al abbreviation, controlled via the et-al-... attributes (see Name), can be further customized with the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * optional cs:et-al element, which must follow the cs:name element (if present). The term attribute may be set to | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * either “et-al” (the default) or to “and others” to use either term. The formatting attributes may also be used, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * for example to italicize the “et-al” term: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @var EtAl | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     private $etAl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * The delimiter attribute may be set on cs:names to separate the names of the different name variables (e.g. the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * semicolon in “Doe, Smith (editors); Johnson (translator)”). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     private $delimiter = ", "; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * Names constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @param \SimpleXMLElement $node | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 97 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |     public function __construct(\SimpleXMLElement $node) | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |         /** @var \SimpleXMLElement $child */ | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |         foreach ($node->children() as $child) { | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |             switch ($child->getName()) { | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |                 case "name": | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |                     $this->name = Factory::create($child, $this); | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |                     break; | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |                 case "label": | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |                     $this->label = Factory::create($child); | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |                     break; | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |                 case "substitute": | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |                     $this->substitute = Factory::create($child); | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |                     break; | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  |                 case "et-al": | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  |                     $this->etAl = Factory::create($child); | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |         /** @var \SimpleXMLElement $attribute */ | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |         foreach ($node->attributes() as $attribute) { | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |             if ("variable" === $attribute->getName()) { | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |                 $this->variables = new ArrayList(explode(" ", (string)$attribute)); | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  |                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |         $this->initDelimiterAttributes($node); | 
            
                                                                        
                            
            
                                    
            
            
                | 128 |  |  |         $this->initAffixesAttributes($node); | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |         $this->initFormattingAttributes($node); | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * This outputs the contents of one or more name variables (selected with the required variable attribute), each | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      * of which can contain multiple names (e.g. the “author” variable contains all the author names of the cited item). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |      * If multiple variables are selected (separated by single spaces), each variable is independently rendered in the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * order specified, with one exception: when the selection consists of “editor” and “translator”, and when the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * contents of these two name variables is identical, then the contents of only one name variable is rendered. In | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      * addition, the “editortranslator” term is used if the Names element contains a Label element, replacing the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      * default “editor” and “translator” terms (e.g. resulting in “Doe (editor & translator)”). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @param $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     public function render($data) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         $str = ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         $matches = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         /* when the selection consists of “editor” and “translator”, and when the contents of these two name variables | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         is identical, then the contents of only one name variable is rendered. In addition, the “editortranslator” | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         term is used if the cs:names element contains a cs:label element, replacing the default “editor” and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         “translator” terms (e.g. resulting in “Doe (editor & translator)”) */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |         if ($this->variables->hasValue("editor") && $this->variables->hasValue("translator")) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |             if (isset($data->editor) && isset($data->translator)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |                 if (isset($name)) { | 
                            
                    |  |  |  | 
                                                                                        
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                | 156 |  |  |                     $str .= $this->name->render($data->editor); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |                 } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |                     $arr = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |                     foreach ($data->editor as $editor) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |                         $arr[] = $this->format($editor->family . ", " . $editor->given); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |                     $str .= implode($this->delimiter, $arr); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |                 if (isset($this->label)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |                     $this->label->setVariable("editortranslator"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |                     $str .= $this->label->render(""); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |                 $vars = $this->variables->toArray(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |                 $vars = array_filter($vars, function($value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |                     return !($value === "editor" || $value === "translator"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |                 }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |                 $this->variables->setArray($vars); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         foreach ($this->variables as $variable) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |             if (isset($data->{$variable}) && (!empty($data->{$variable}))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |                 $matches[] = $variable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |         $results = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |         foreach ($matches as $var) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |             if (!empty($data->{$var})) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |                 if (!empty($this->name)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |                     $name = $this->name->render($data->{$var}); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |                     if (!empty($this->label)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |                         $this->label->setVariable($var); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |                         $name .= $this->label->render($data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |                     $results[] = $this->format($name); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |                 } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |                     foreach ($data->{$var} as $name) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |                         $results[] = $name->given . " " . $name->family; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |         $str  .= implode($this->delimiter, $results); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |         return $this->addAffixes($str); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |     public function hasEtAl() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |         return !empty($this->etAl); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |     public function getEtAl() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |         return $this->etAl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |     public function getDelimiter() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |         return $this->delimiter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |     public function getVariables() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |         return $this->variables; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 224 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 225 |  |  | } | 
            
                        
This check marks calls to
isset(...)orempty(...)that are found before the variable itself is defined. These will always have the same result.This is likely the result of code being shifted around. Consider removing these calls.