3v4l.org

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<?php trait A { public function smallTalk() { echo 'a'; } public function bigTalk() { echo 'A'; } } trait B { public function smallTalk() { echo 'b'; } public function bigTalk() { echo 'B'; } } class Talker { use A, B { B::smallTalk insteadof A; A::bigTalk insteadof B; } } class Aliased_Talker { use A, B { B::smallTalk insteadof A; A::bigTalk insteadof B; B::bigTalk as talk; } } (new Talker)->smallTalk();
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
b
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/XP0gL 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/XP0gL on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XP0gL on line 2
Process exited with code 255.

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