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<?php function foo() { $foo = (yield 'strlen' => ['a']); $foo .= (yield 'strlen' => ['ab']); $foo .= (yield 'strlen' => ['abc']); yield $foo."final"; } function call_generator_function($g) { $args = $g->current(); $callable = $g->key(); while ($g->valid() && is_callable($callable)) { $return = call_user_func_array($callable, $args); $g->send($return); $args = $g->current(); $callable = $g->key(); } return $args; } $result = call_generator_function(foo()); var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
string(8) "123final"

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