Merge pull request #519 from AlexVanderbist/add-hasTag-documentation

Document the `hasTag` method

Author: AlexVanderbist

README.md

@@ -98,6 +98,10 @@ $tag2->order_column; //returns 2
 
 // manipulating the order of tags
 $tag->swapOrder($anotherTag);
+
+// checking if a model has a tag
+$newsItem->hasTag('first tag');
+$newsItem->hasTag('first tag', 'some_type');
 ```
 
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docs/basic-usage/using-tags.md

@@ -99,3 +99,19 @@ You can fetch a collection of all registered tag types by using the static metho
 ```php
 Tag::getTypes();
 ```
+
+## Checking if a model has a tag
+
+You can check if a model has a specific tag using the `hasTag` method:
+
+```php
+$yourModel->hasTag('tag 1'); // returns true if the model has the tag
+$yourModel->hasTag('non-existing tag'); // returns false if the model does not have the tag
+```
+
+You can also check if a model has a tag with a specific type:
+
+```php
+$yourModel->hasTag('tag 1', 'some_type'); // returns true if the model has the tag with the specified type
+$yourModel->hasTag('tag 1', 'non-existing type'); // returns false if the model does not have the tag with the specified type
+```