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--TEST-- SPL: Test class_uses() function : basic --FILE-- <?php /* Prototype : array class_uses(mixed what [, bool autoload ]) * Description: Return all traits used by a class * Source code: ext/spl/php_spl.c * Alias to functions: */ echo "*** Testing class_uses() : basic ***\n"; trait foo { } class fooUser { use foo; } trait bar { } class barUser { use bar; } class foobarUser { use foo, bar; } /** There is no semantics for traits in the inheritance chain. Traits are flattend into a class, and that semantics is nothing like a type, or interface, and thus, not propergated. */ class fooViaBarUser extends barUser { use foo; } class fooExtended extends fooUser {} s_var_dump(class_uses(new foobarUser)); s_var_dump(class_uses('foobarUser')); s_var_dump(class_uses(new fooViaBarUser)); s_var_dump(class_uses('fooViaBarUser')); s_var_dump(class_uses(new fooExtended)); s_var_dump(class_uses('fooExtended')); function s_var_dump($arr) { krsort($arr); var_dump($arr); } ?> ===DONE=== --EXPECT-- *** Testing class_uses() : basic *** array(2) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" } array(2) { ["foo"]=> string(3) "foo" ["bar"]=> string(3) "bar" } array(1) { ["foo"]=> string(3) "foo" } array(1) { ["foo"]=> string(3) "foo" } array(0) { } array(0) { } ===DONE===