Context

As @fabpot said in #18070 (comment), if some code is repeated in several parts, we can extract it to a new component, no matter how big or small it is.

Problem to solve

In Symfony this need is very common: "given an arbitrary variable, return its best possible representation as a string".

Current situation

Today we solve this problem at least in 6 different ways across different bundles and components:

• ValueExporter class (in Symfony\Component\HttpKernel\DataCollector\Util) used mostly in DataCollectors.
• formatValue(), formatParameter and formatCallable in FrameworkBundle's Console descriptors.
• formatValue() method in OptionsResolver component.
• getStringRepresentation() method in DebugAccessDecisionManager class.
• varToString() method in FileLoaderLoadException class (Symfony/Component/Config/Exception)
• sanitizeContext() method in LoggerDataCollector (Symfony\Component\HttpKernel\DataCollector)

Solution

Create a new ValueExporter component to merge all this stuff.