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run code in 300+ PHP versions simultaneously
<?php trait A { public function x(): void { echo 'A'; } } trait B { public function x(): void { echo 'B'; } } class Foo { use A { x as private ax; } use B { x as private bx; } public function x(): void { $this->ax(); $this->bx(); } } (new Foo())->x();
Output for 8.5.0
Fatal error: An alias was defined for method x(), which exists in both A and B. Use A::x or B::x to resolve the ambiguity in /in/vE0YH on line 15 Stack trace: #0 {main}
Process exited with code 255.
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 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
Fatal error: An alias was defined for method x(), which exists in both A and B. Use A::x or B::x to resolve the ambiguity in /in/vE0YH on line 15
Process exited with code 255.

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