3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestParent { public function execute(array $data) { return array( 'test' => 'test' ); } } trait TestTrait { public function execute(int $id) { return $id + 1; } } class TestClass extends TestParent { use TestTrait { execute as executeTrait; } function __construct() { var_dump($this->execute([])); var_dump($this->executeTrait(2)); } } new TestClass();
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: Declaration of TestTrait::execute(int $id) must be compatible with TestParent::execute(array $data) in /in/gMEGg 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: Declaration of TestTrait::execute(int $id) must be compatible with TestParent::execute(array $data) in /in/gMEGg on line 15
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of TestTrait::execute(int $id) should be compatible with TestParent::execute(array $data) in /in/gMEGg on line 15 Fatal error: Uncaught TypeError: Argument 1 passed to TestClass::execute() must be of the type int, array given, called in /in/gMEGg on line 29 and defined in /in/gMEGg:15 Stack trace: #0 /in/gMEGg(29): TestClass->execute(Array) #1 /in/gMEGg(34): TestClass->__construct() #2 {main} thrown in /in/gMEGg on line 15
Process exited with code 255.
Output for 7.3.0 - 7.3.33
Warning: Declaration of TestTrait::execute(int $id) should be compatible with TestParent::execute(array $data) in /in/gMEGg on line 21 Fatal error: Uncaught TypeError: Argument 1 passed to TestClass::execute() must be of the type int, array given, called in /in/gMEGg on line 29 and defined in /in/gMEGg:15 Stack trace: #0 /in/gMEGg(29): TestClass->execute(Array) #1 /in/gMEGg(34): TestClass->__construct() #2 {main} thrown in /in/gMEGg on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
Warning: Declaration of TestTrait::execute(int $id) should be compatible with TestParent::execute(array $data) in /in/gMEGg on line 21 Fatal error: Uncaught TypeError: Argument 1 passed to TestClass::execute() must be of the type integer, array given, called in /in/gMEGg on line 29 and defined in /in/gMEGg:15 Stack trace: #0 /in/gMEGg(29): TestClass->execute(Array) #1 /in/gMEGg(34): TestClass->__construct() #2 {main} thrown in /in/gMEGg on line 15
Process exited with code 255.
Output for 5.4.11 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: Declaration of TestTrait::execute() should be compatible with TestParent::execute(array $data) in /in/gMEGg on line 32 Catchable fatal error: Argument 1 passed to TestClass::execute() must be an instance of int, array given, called in /in/gMEGg on line 29 and defined in /in/gMEGg on line 15
Process exited with code 255.
Output for 5.4.2 - 5.4.10
Strict Standards: Declaration of TestClass::execute() should be compatible with TestParent::execute(array $data) in /in/gMEGg on line 32 Catchable fatal error: Argument 1 passed to TestClass::execute() must be an instance of int, array given, called in /in/gMEGg on line 29 and defined in /in/gMEGg on line 15
Process exited with code 255.

preferences:
206.41 ms | 401 KiB | 241 Q