Merge pull request #1364 from staabm/spl #1402

Job	Run time
Check Coding Standards (locked, 8.2, ubuntu-latest)	18s
Run benchmarks (locked, 8.2, ubuntu-latest)	14s
Run benchmarks (locked, 8.2, windows-latest)	59s
Test Compatibility (locked, 8.2, ubuntu-latest)	19s
Test Compatibility (locked, 8.2, windows-latest)	54s
Check Backward Compatibility	0s
Check Demo Scripts (locked, 8.2, ubuntu-latest)	17s
Mutation tests (locked, 8.2, ubuntu-latest)	14m 45s
PHPUnit tests (lowest, 8.1, ubuntu-latest)	3m 38s
PHPUnit tests (lowest, 8.1, windows-latest)	2m 11s
PHPUnit tests (lowest, 8.2, ubuntu-latest)	4m 26s
PHPUnit tests (lowest, 8.2, windows-latest)	2m 56s
PHPUnit tests (highest, 8.1, ubuntu-latest)	1m 12s
PHPUnit tests (highest, 8.1, windows-latest)	1m 57s
PHPUnit tests (highest, 8.2, ubuntu-latest)	3m 56s
PHPUnit tests (highest, 8.2, windows-latest)	1m 55s
PHPUnit tests (locked, 8.1, ubuntu-latest)	1m 33s
PHPUnit tests (locked, 8.1, windows-latest)	3m 10s
PHPUnit tests (locked, 8.2, ubuntu-latest)	1m 38s
PHPUnit tests (locked, 8.2, windows-latest)	1m 41s
Static Analysis by PHPStan (locked, 8.1, ubuntu-latest)	27s
Static Analysis by PHPStan (locked, 8.2, ubuntu-latest)	36s
Static Analysis by Psalm (locked, 8.2, ubuntu-latest)	23s
	49m 25s

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