PHP code example of oxyaction / yii2-polymorphic-relation-behavior

1. Go to this page and download the library: Download oxyaction/yii2-polymorphic-relation-behavior library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

oxyaction / yii2-polymorphic-relation-behavior example snippets


class Article extends ActiveRecord
{
    const ARTICLE = 1;
    
    public function behaviors()
    {
        return [
            'polymorphic' => [
                'class' => RelatedPolymorphicBehavior::className(),
                'polyRelations' => [
                    'comments' => Comment::className()
                ],
                'polymorphicType' => self::TYPE_ARTICLE
            ]
        ];
    }
}

class Photo extends ActiveRecord
{
    const PHOTO = 2;

    public function behaviors()
    {
        return [
            'polymorphic' => [
                'class' => RelatedPolymorphicBehavior::className(),
                'polyRelations' => [
                    'comments' => Comment::className()
                ],
                'polymorphicType' => self::TYPE_PHOTO
            ]
        ];
    }
}


...
public function behaviors()
{
    return [
        'polymorphic' => [
            'class' => RelatedPolymorphicBehavior::className(),
            'polyRelations' => [
                'comments' => Comment::className()
            ],
            'polymorphicType' => 'article'
        ]
    ];
}
...


public function behaviors()
{
    return [
        'polymorphic' => [
            'class' => RelatedPolymorphicBehavior::className(),
            'polyRelations' => [
                'comments' => [
                    'type' => RelatedPolymorphicBehavior::HAS_MANY,
                    'class' => Comment::className(),
                    'pkColumnName' => 'id',
                    'foreignKeyColumnName' => 'external_id',
                    'typeColumnName' => 'type',
                    'deleteRelated' => false,
                ]
            ],
            'polymorphicType' => 'article'
        ]
    ]
}



public function behaviors()
{
    return [
        'polymorphic' => [
            'class' => RelatedPolymorphicBehavior::className(),
            'polyRelations' => [
                'tags' => [
                    'type' => RelatedPolymorphicBehavior::MANY_MANY,
                    'class' => Tag::className(),
                    'viaTable' => 'taggable_tag',
                ]
            ],
            'polymorphicType' => 'article'
        ]
    ]
}


public function behaviors()
{
    return [
        'polymorphic' => [
            'class' => RelatedPolymorphicBehavior::className(),
            'polyRelations' => [
                'tags' => [
                    'type' => RelatedPolymorphicBehavior::MANY_MANY,
                    'class' => Tag::className(),
                    'viaTable' => 'taggable_tag',
                    'pkColumnName' => 'id',
                    'foreignKeyColumnName' => 'external_id',
                    'otherKeyColumnName' => 'tag_id',
                    'typeColumnName' => 'type',
                    'relatedPkColumnName' => 'id',

                ]
            ],
            'polymorphicType' => 'photo'
        ]
    ]
}


class Article extends ActiveRecord {
    public function behaviors()
    {
        return [
            'polymorphic' => [
                'class' => RelatedPolymorphicBehavior::className(),
                'polyRelations' => [
                    'tags' => [
                        'type' => RelatedPolymorphicBehavior::MANY_MANY,
                        'class' => Tag::className(),
                        'viaTable' => 'taggable_tag',
                    ],
                    'images' => [
                        'type' => RelatedPolymorphicBehavior::HAS_MANY,
                        'class' => Image::className(),
                    ],
                    'comments' => [
                        'type' => RelatedPolymorphicBehavior::HAS_MANY,
                        'class' => Comment::className(),
                    ],
                ],
                'polymorphicType' => 'article',
                'pkColumnName' => 'ID',
                'foreignKeyColumnName' => 'some_external_id',
                'typeColumnName' => 'entity_type',
            ]
        ]
    }
}