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<?php trait CanWhatever { public function doStuff() { return 'result!'; } } class X { use CanWhatever; public function doStuff() { return 'overridden!'; } } $x = new X(); echo $x->doStuff(); echo "\n\$x has "; echo (class_uses($x, 'CanWhatever')) ? 'the trait' : 'no trait';
Output for 5.6.0 - 5.6.40, 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
overridden! $x has the trait
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132.34 ms | 404 KiB | 293 Q