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<?php trait CtorTrait { protected $a; public function __construct($a) { $this->a = $a; } } class Test { use CtorTrait; public function testTrait() { echo $this->a; } } $test = new Test('Trait works'); $test->testTrait(); $method = new ReflectionMethod(Test::class, '__construct'); var_dump($method->getParameters());
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.32, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Trait worksarray(1) { [0]=> object(ReflectionParameter)#3 (1) { ["name"]=> string(1) "a" } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Trait worksarray(1) { [0]=> &object(ReflectionParameter)#3 (1) { ["name"]=> string(1) "a" } }
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/jbVTU on line 22
Process exited with code 255.
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/jbVTU 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/jbVTU on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jbVTU on line 2
Process exited with code 255.

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