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<?php error_reporting(-1); ini_set('log_errors','Off'); ini_set('display_errors', 'On'); trait collision { public function collisionMethod() { echo "collision\n"; } public function unusedMethod() { echo "unused\n"; } } trait A { use collision; public function sayA() { $this->collisionMethod(); echo "Aです\n"; } } trait B { use collision; public function sayB() { $this->collisionMethod(); echo "Bです\n"; } } class User { use A; use B; } $user = new User; $user->sayA(); $user->sayB();
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
collision Aです collision Bです
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 collision Aです collision Bです
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Fatal error: Trait method collisionMethod has not been applied, because there are collisions with other trait methods on User in /in/4kqGt on line 40
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Trait method collisionMethod has not been applied, because there are collisions with other trait methods on User in /in/4kqGt on line 43
Process exited with code 255.

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