symfony - __construct() must be an instance of Doctrine\Common\Persistance\ObjectManager -


i use objectmanger use doctrine .. create instance of objectmanager , create service have bug:

catchable fatal error: argument 1 passed tag\tagbundle\form\types\tagstype::__construct() must instance of doctrine\common\persistance\objectmanager, instance of doctrine\orm\entitymanager given, called in /var/www/html/tagproject/var/cache/dev/appdevdebugprojectcontainer.php on line 2412 , defined

code tagstype:

<?php       namespace tag\tagbundle\form\types;      use symfony\component\form\abstracttype;     use symfony\component\form\extension\core\type\texttype;     use tag\tagbundle\form\datatransformer\tagstransformer;     use symfony\bridge\doctrine\form\datatransformer\collectiontoarraytransformer;     use symfony\component\form\formbuilderinterface;     use doctrine\common\persistance\objectmanager;      class tagstype extends abstracttype {      /**      * @var objectmanager      */      private $manager;      public function __construct(objectmanager $manager){         $this->manager = $manager;     }          public function buildform(formbuilderinterface $builder, array $options){             $builder                     ->addmodeltransformer(new collectiontoarraytransformer(),true)                     ->addmodeltransformer(new tagstransformer($this->manager),true);         }          public function getparent(){             return texttype::class;         }      }

code tagstransformer:

<?php               namespace tag\tagbundle\form\datatransformer;              use symfony\component\form\datatransformerinterface;             use tag\tagbundle\entity\tag;             use doctrine\common\persistance\objectmanager;              class tagstransformer implements datatransformerinterface {               /**              * @var objectmanager              */              private $manager;              public function __construct(objectmanager $manager){                 $this->manager = $manager;             }              public function transform($value) {                 dump($value);                 return implode(',',$value);             }                  public function reversetransform($string)                 {                     $names = explode(',',$string);                     $tags = $this->manager->getrepository('tagbundle:tag')->findby(['name' => $names]);                     $newnames = array_diff($names, $tags);                     foreach($names $name){                         $tag = new tag();                         $tag->setname($name);                         $tags[] = $tag;                     }                     return $tags;                 }             }

code services.yml:

services:   tag.form.types.tages:     class: tag\tagbundle\form\types\tagstype     arguments: ["@doctrine.orm.entity_manager"]     tags:       - { name: form.type } #    tag.example: #        class: tag\tagbundle\example #        arguments: ["@service_id", "plain_value", "%parameter%"]

you're injecting instance of entitymanager should use corresponding interface doctrine\orm\entitymanagerinterface typehinting.

use doctrine\orm\entitymanagerinterface;  class tagstransformer implements datatransformerinterface  {     /**      * @var entitymanagerinterface      */     private $manager;      public function __construct(entitymanagerinterface $manager)     {         $this->manager = $manager;     }

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