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<?php trait HelloWorld { public function sayHello() { echo 'Hello World!'; } } trait HelloWorld1 { public function sayHello() { echo 'Hello World1!'; } } class TheWorldIsNotEnough { use HelloWorld; use HelloWorld1; } $o = new TheWorldIsNotEnough(); $o->sayHello(); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Trait method HelloWorld1::sayHello has not been applied as TheWorldIsNotEnough::sayHello, because of collision with HelloWorld::sayHello in /in/Lok3n on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Trait method sayHello has not been applied, because there are collisions with other trait methods on TheWorldIsNotEnough in /in/Lok3n on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Trait method sayHello has not been applied, because there are collisions with other trait methods on TheWorldIsNotEnough in /in/Lok3n on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/Lok3n on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/Lok3n on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Lok3n on line 2
Process exited with code 255.

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