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<?php trait Adder { public function calculate(int $x, int $y) { echo $x + $y; } } trait Subtractor { public function calculate(int $x, int $y) { echo $x - $y; } } class StupidCalc { use Adder { calculate as public add; } use Subtractor { calculate as public sub; } function maybeAdd(int $x, int $y) { $this->add($x, $y); } function maybeSub(int $x, int $y) { $this->sub($x, $y); } function calculate(int $x, int $y) {} } $calc = new StupidCalc(); $calc->maybeAdd(3, 2); $calc->maybeSub(3, 2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: An alias was defined for method calculate(), which exists in both Adder and Subtractor. Use Adder::calculate or Subtractor::calculate to resolve the ambiguity in /in/I2thK on line 15
Process exited with code 255.
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 Fatal error: An alias was defined for method calculate(), which exists in both Adder and Subtractor. Use Adder::calculate or Subtractor::calculate to resolve the ambiguity in /in/I2thK on line 15
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
55
Output for 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to StupidCalc::maybeAdd() must be an instance of int, integer given, called in /in/I2thK on line 37 and defined in /in/I2thK on line 24
Process exited with code 255.
preferences:
191.97 ms | 401 KiB | 288 Q