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Layout cache is based on layout context.
It uses the Context::getHash method to generate the cache key.
Layout cache uses
OroCacheBundle. For more information, see BlockViewCache.
Last Modification Date
The layout context contains the last modification date of the files with layout updates. It is registered with the
layout.context_configurator - LastModifiedDateContextConfigurator.
The layout cache contains the
root BlockView with children and variables.
The BlockView tree is serialized with
The following is the list of normalizers used in the
All normalizers are registered as a service in the DI container with the
Expressions / Evaluate and Evaluate Deferred
There are two groups of expressions in the BlockView options:
- Context key
expressions_evaluate- expressions that do not work with
data. It evaluates before BlockTypeInterface::buildBlock
- Context key
expressions_evaluate_deferred- expressions that work with
data. It evaluates after BlockTypeInterface::finishView
actions: ... - '@add': id: blockId parentId: parentId blockType: typeName options: optionName: '=context["valueKey"]'
It will be evaluated before the BlockTypeInterface::buildBlock and the result will be cached.
actions: ... - '@add': id: blockId parentId: parentId blockType: typeName options: optionName: '=data["valueKey"]'
It will be evaluated after BlockTypeInterface::finishView and the result will not be cached.