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<?php abstract class ParentClass { abstract $a; function b() { } }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Fatal error: Properties cannot be declared abstract in /in/YGcc9 on line 4
Process exited with code 255.
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185.87 ms | 1395 KiB | 58 Q