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<?php trait A { public A|(X&Y) $v; } class C { use A; } $prop = new \ReflectionProperty(C::class, 'v'); $union = $prop->getType(); $types = $union->getTypes(); $intersection = $types[1]; $types = $intersection->getTypes(); var_dump($types);
Output for 8.2.0 - 8.2.1, 8.2.5, 8.2.8, 8.2.22 - 8.2.29, 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array(2) { [0]=> object(ReflectionNamedType)#5 (0) { } [1]=> object(ReflectionNamedType)#6 (0) { } }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.2.2 - 8.2.4, 8.2.6, 8.2.9

Process exited with code 139.
Output for 8.2.7
array(3) { [0]=> object(ReflectionNamedType)#5 (0) { } [1]=> object(ReflectionNamedType)#6 (0) { } [2]=> object(ReflectionUnionType)#7 (0) { } }
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33
Parse error: syntax error, unexpected token "(" in /in/uGTg3 on line 4
Process exited with code 255.
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