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.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

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.
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
Without mastery of Doctrine ORM, PHP developers waste 50% of their time on manual mappings and persistence bugs.
Poorly managed relation errors cause 30% of production incidents, costing up to 10k€ per critical downtime in enterprise environments.
In 2026, 65% of Symfony job postings require expert-level Doctrine, shutting juniors out of salaries above 55k€.
Every project without ORM optimization multiplies maintenance costs by 3, slowing scalability and exposing massive security vulnerabilities.
Dive into configuring Doctrine ORM entities with advanced mappings via annotations and YAML, set up the integrated Symfony environment, create your first entity classes with basic relationships and validation, complete practical exercises on a real e-commerce project, generate schemas via doctrine:schema:update, produce a complete deliverable of production-ready mapped entities, while learning the common pitfalls avoided by professionals.
Build powerful queries with Doctrine ORM DQL and QueryBuilder, handle complex relationships such as one-to-many or polymorphic, implement custom repositories to encapsulate business logic, test on concrete enterprise cases like a CRM, optimize joins and partial hydration, develop a user management module with advanced filters, complete an ongoing project integrating authentication and secure roles, immediately enhancing your professional skills.
Master Doctrine ORM migrations with doctrine:migrations for zero-downtime deployments, configure second-level caching via Redis and APCu, implement proxies and lifecycle listeners for automated audits, profile performance on high-traffic applications, apply security best practices against SQL injections, finalize your ongoing project with Dockerized deployment, obtain a concrete portfolio demonstrating expertise in scalable persistence, ready to boost your enterprise career.
The Training Doctrine ORM - Optimize 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.
For the smooth delivery of the Training Doctrine ORM - Optimize Persistence in Professional PHP program, the following equipment is required:
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.
Assessment of skills acquired during the Training Doctrine ORM - Optimize Persistence in Professional PHP program is performed through:
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.
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.
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.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
PHP & CMSIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
Web developmentIndustry-certified
E-commerceIndustry-certified
E-commerceIndustry-certified
E-commerceIndustry-certified
E-commerceIndustry-certified
E-commerceIndustry-certified
E-commerceIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.