Drupal 8's Entity Query API: A Comprehensive Guide
Drupal 8 transitioned from EntityFieldQuery (Drupal 7) to the more robust entity.query
service for querying entities. This service, accessible via static calls or dependency injection, facilitates complex queries using condition methods. This guide explores its capabilities.
Key Concepts
-
entity.query
Service: The core of Drupal 8's entity querying. Creates query objects for specific entity types (nodes, users, etc.). - Condition Methods: Allow filtering based on field values, class properties, and language codes (langcode).
-
execute()
Method: Returns an array of entity IDs. -
entity_load()
/entity_load_multiple()
: Functions to load single or multiple entities using their IDs.
Accessing the entity.query
Service
Two methods exist for accessing the service:
1. Static Access (Less Recommended):
$query = \Drupal::entityQuery('node');
Replace 'node' with the desired entity type's machine name.
2. Dependency Injection (Recommended):
$entity_query_service = $container->get('entity.query'); $query = $entity_query_service->get('node');
This approach is preferred for better testability and decoupling.
Building Queries
Here are examples demonstrating query construction:
Simple Query (Published Nodes):
$query = \Drupal::entityQuery('node') ->condition('status', 1); $nids = $query->execute();
$nids
contains an array of node IDs.
Complex Query (Multiple Conditions):
$query = \Drupal::entityQuery('node') ->condition('status', 1) ->condition('changed', REQUEST_TIME, '<') ->condition('title', 'cat', 'CONTAINS') ->condition('field_tags.entity.name', 'cats'); $nids = $query->execute();
This retrieves published nodes modified before the current time, containing "cat" in the title, and referencing the "cats" taxonomy term in field_tags
. Note the handling of referenced entities (field_tags.entity.name
).
Condition Groups (AND/OR):
$query = \Drupal::entityQuery('node') ->condition('status', 1) ->condition('changed', REQUEST_TIME, '<'); $group = $query->orConditionGroup() ->condition('title', 'cat', 'CONTAINS') ->condition('field_tags.entity.name', 'cats'); $nids = $query->condition($group)->execute();
This uses an orConditionGroup
to find nodes matching either title or tag condition. andConditionGroup
is also available.
Loading Entities
After executing a query, use these functions to load entities:
Single Entity:
$node = entity_load('node', $nids[0]);
Multiple Entities:
$nodes = entity_load_multiple('node', $nids);
These functions are wrappers for the entity storage manager. Direct access via the storage manager is also possible using dependency injection:
$node_storage = $container->get('entity.manager')->getStorage('node'); $nodes = $node_storage->loadMultiple($nids);
Conclusion
Drupal 8's Entity Query API offers a significant improvement over its predecessor. Its object-oriented approach and flexible condition methods empower developers to build sophisticated entity queries. Remember to utilize dependency injection for better code practices.
The above is the detailed content of The Drupal 8 version of EntityFieldQuery. For more information, please follow other related articles on the PHP Chinese website!

Long URLs, often cluttered with keywords and tracking parameters, can deter visitors. A URL shortening script offers a solution, creating concise links ideal for social media and other platforms. These scripts are valuable for individual websites a

Following its high-profile acquisition by Facebook in 2012, Instagram adopted two sets of APIs for third-party use. These are the Instagram Graph API and the Instagram Basic Display API.As a developer building an app that requires information from a

Laravel simplifies handling temporary session data using its intuitive flash methods. This is perfect for displaying brief messages, alerts, or notifications within your application. Data persists only for the subsequent request by default: $request-

This is the second and final part of the series on building a React application with a Laravel back-end. In the first part of the series, we created a RESTful API using Laravel for a basic product-listing application. In this tutorial, we will be dev

Laravel provides concise HTTP response simulation syntax, simplifying HTTP interaction testing. This approach significantly reduces code redundancy while making your test simulation more intuitive. The basic implementation provides a variety of response type shortcuts: use Illuminate\Support\Facades\Http; Http::fake([ 'google.com' => 'Hello World', 'github.com' => ['foo' => 'bar'], 'forge.laravel.com' =>

The PHP Client URL (cURL) extension is a powerful tool for developers, enabling seamless interaction with remote servers and REST APIs. By leveraging libcurl, a well-respected multi-protocol file transfer library, PHP cURL facilitates efficient execution of various network protocols, including HTTP, HTTPS, and FTP. This extension offers granular control over HTTP requests, supports multiple concurrent operations, and provides built-in security features.

Do you want to provide real-time, instant solutions to your customers' most pressing problems? Live chat lets you have real-time conversations with customers and resolve their problems instantly. It allows you to provide faster service to your custom

The 2025 PHP Landscape Survey investigates current PHP development trends. It explores framework usage, deployment methods, and challenges, aiming to provide insights for developers and businesses. The survey anticipates growth in modern PHP versio


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

Atom editor mac version download
The most popular open source editor

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
