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<?php function foo() { return json_encode([42]); } function bar () { $result = (yield foo()); yield json_decode($result); } $bar = bar(); var_dump($bar); foreach($bar as $key => $value) { var_dump($key, $value); echo "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
object(Generator)#1 (0) { } int(0) string(4) "[42]" Deprecated: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated in /in/LfgvS on line 9 int(1) NULL

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