Minor phpcs fixes
minor #12886 Minor phpcs fixes (acrobat)

This PR was merged into the 2.3 branch.

Discussion
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Minor phpcs fixes

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

Small phpcs fixes

Commits
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9a0d5c3 Minor phpcs fixes