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<?php trait Base {} trait Trait1 { use Base; } class Example extends ArrayObject { use Trait1; } $o = new Example(); echo ($o instanceof ArrayObject) ? 'y': 'n', ','; echo ($o instanceof Trait1) ? 'y': 'n', ','; echo ($o instanceof Traversable) ? 'y': 'n', ','; echo ($o instanceof Base) ? 'y': 'n';
Output for git.master, git.master_jit, rfc.property-hooks
y,n,y,n

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