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<?php function test_func_get_args() { var_dump(func_get_args()); // as expected } function test_array_slice($array) { var_dump(array_slice($array, 1)); // as expected } function test_array_slice_with_func_get_args() { var_dump(array_slice(func_get_args(), 1)); // ??? } $input = [1, 2, 3]; echo "=-=-=-= TEST func_get_args() =-=-=-=\n"; test_func_get_args(...$input); echo "\n=-=-=-= TEST array_slice() =-=-=-=\n"; test_array_slice($input); echo "\n=-=-=-= TEST 3 =-=-=-=\n"; test_array_slice_with_func_get_args(...$input);
Output for git.master, git.master_jit, rfc.property-hooks
=-=-=-= TEST func_get_args() =-=-=-= array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } =-=-=-= TEST array_slice() =-=-=-= array(2) { [0]=> int(2) [1]=> int(3) } =-=-=-= TEST 3 =-=-=-= array(2) { [0]=> int(2) [1]=> int(3) }

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