Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
1 seat held for the next session
30:00Held for another
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.
Training Doctrine ORM - Optimize DB Persistence in Professional PHP
Trusted by — schools, companies and industrial groups
Every program built with a dedicated engineer
Learning objectives
- Master advanced Doctrine ORM mappings for complex professional entities
- Develop customized repositories optimizing enterprise queries
- Implement DQL and QueryBuilder for certified database performance
- Manage advanced relationships and associations with Doctrine ORM in production
- Optimize caching, lazy loading, and migrations for scalable applications
- Design robust persistence architectures tailored to business needs
Our social commitment
A school kit donated to a child for every training
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
- Backpack, notebooks and essential supplies
- Distributed through our partner charities
- Included, at no extra cost to you
The Learni story
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Why this program matters
Without expert mastery of Doctrine ORM, PHP teams waste 45% of their time on poorly optimized queries, generating CPU spikes to 90% in production and cloud costs multiplied by 3.
Memory leaks from faulty lazy loading cause 25% of critical downtimes, impacting revenue of 15k€/day in e-commerce.
In 2024, 68% of senior PHP job postings require advanced Doctrine, shutting out non-certified developers.
Every sprint without these skills widens a fatal competitive gap against modern stacks.
Program
Module 1Advanced Mappings: Configure Complex Entities with Doctrine ORM (annotations, XML, YAML, inheritance)
Dive into customizing Doctrine ORM entities via advanced annotations, XML, and YAML, handling class inheritance and custom types. Apply these techniques to a real e-commerce project with multi-table mapping exercises, generate automated schemas, test validity with integrated PHPUnit, and produce a deliverable: production-ready entity bundle and complete documentation.
Module 2Repositories and QueryBuilder: Build Performant Queries with Doctrine ORM (DQL, hydration)
Build custom repositories extending Doctrine ORM, master QueryBuilder for complex joins and aggregations, write native DQL for edge cases, optimize partial hydration on large datasets. Practice on Symfony REST API with infinite pagination, analyze query profiles via WebProfiler. Deliverable: reusable repository boosting performance by 50% on existing code.
Module 3Advanced Relationships: Model Doctrine ORM Associations (many-to-many, cascades, proxies)
Model complex bidirectional relationships like many-to-many with extra fields and automated cascades in Doctrine ORM, manage lazy and eager loading proxies to avoid N+1 queries, implement ownership and ordering. Test on multi-tenant SaaS cases with data fixtures, debug with doctrine:query-sql, produce interconnected entity graph and team relationship optimization guide.
Module 4Performance and Caching: Accelerate Doctrine ORM (second level cache, result cache, fragments)
Boost Doctrine ORM via second-level caching with Redis and Memcached, configure result cache on hot queries and fragments for partial views, measure gains with Blackfire profiler. Apply strategic lazy loading on mobile apps, migrate existing cache without downtime, exercises on high-load traffic. Deliverable: documented caching strategy reducing DB latency by 70% in production.
Module 5Migrations and Pro Tools: Maintain Doctrine ORM Schemas (migrations, fixtures, console)
Automate zero-downtime migrations with DoctrineMigrationsBundle, generate advanced fixtures via Faker and Alice for E2E tests, customize console commands for bulk operations, manage multi-environment DB versioning, integrate CI/CD GitHub Actions. Practice secure rollback on prod-like setup, finalize red thread project with full audit, receive scalable migrations template for your company.
Evaluation method
- Expert multiple-choice quiz on Doctrine ORM mappings and performance
- Assessment via practical challenges and code review
- Defense of red thread project with measured optimization
Learning method
- Sessions led by Doctrine experts on production missions
- Intensive hands-on labs on Symfony and real business cases
- Evolving red thread project over 5 days
- Detailed course materials, slides, and Git repository provided
Methods, materials and delivery
The Training Doctrine ORM - Optimize DB Persistence in Professional PHP program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training Doctrine ORM - Optimize DB Persistence in Professional PHP program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training Doctrine ORM - Optimize DB Persistence in Professional PHP program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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FAQ
Frequently asked questions
How much does the Training Doctrine ORM - Optimize DB Persistence in Professional PHP training cost?+
The price is $5,775 (USD) per participant. A detailed quote is sent within one business day.
How long is the Training Doctrine ORM - Optimize DB Persistence in Professional PHP training?+
The training lasts 5 journées, available live online (US time zones) or on-site at your offices.
How is this training paid for?+
Most US teams pay directly through their company (L&D or training budget). We invoice in US dollars and accept bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
Are there any prerequisites?+
Advanced proficiency in PHP 8+, Symfony 6+, complex SQL, and Doctrine ORM fundamentals
Is a certificate delivered at the end?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report.
Does Learni provide the equipment?+
No. A computer and stable internet connection are required for the participant. Learni provides the educational platform, the trainer and all course materials.
On-site & remote
This training across cities
Available on-site and remotely. Pick your city to see the local training center.
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