3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Adder { public function calculate(int $x, int $y) { return $x + $y; } } trait Subtractor { public function calculate(int $x, int $y) { return $x - $y; } } class StupidCalc { use Adder { calculate as public add; } use Subtractor { calculate as public sub; } function maybeAdd(int $x, int $y) { return $this->add($x, $y); } function maybeSub(int $x, int $y) { return $this->sub($x, $y); } } $calc = new StupidCalc(); echo $calc->maybeAdd(3, 2); echo $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/aJcPh 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/aJcPh on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Trait method calculate has not been applied, because there are collisions with other trait methods on StupidCalc in /in/aJcPh on line 15
Process exited with code 255.
preferences:
160.61 ms | 402 KiB | 211 Q