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<?php function foo() { echo 'In generator func foo',"\n"; for ($i = 1; $i < 4; $i++) { $string=(yield $i); if (isset($string)) { echo $string,"\n"; } } echo 'generator done and closed.',"\n"; return; } $generator = foo(); foreach ($generator as $value) { echo "$value\n"; if ($value == 3) { $generator->send('Hello World'); } }
Output for git.master, git.master_jit, rfc.property-hooks
In generator func foo 1 2 3 Hello World generator done and closed.

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