minor #15317 [2.6] Static Code Analysis for Components (kalessil)
minor #15317 [2.6] Static Code Analysis for Components (kalessil)

This PR was squashed before being merged into the 2.6 branch (closes #15317).

Discussion
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[2.6] Static Code Analysis for Components

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Static Code Analysis with Php Inspections (EA Extended):
    - fixed couple potential issues when code is running in a phar-file

Commits
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37a2353 [2.6] Static Code Analysis for Components

symfony/HttpKernel,symfony/http-kernel