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22 lines
657 B
PHP
22 lines
657 B
PHP
<?php
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// The function returned by this script is run by process.php in a separate process.
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// echo, print, printf, etc. in this script are written to STDERR of the parent.
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// $argc and $argv are available in this process as any other cli PHP script.
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use Amp\Parallel\Sync\Channel;
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return function (Channel $channel): \Generator {
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printf("Received the following from parent: %s\n", yield $channel->receive());
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print "Sleeping for 3 seconds...\n";
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sleep(3); // Blocking call in process.
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yield $channel->send("Data sent from child.");
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print "Sleeping for 2 seconds...\n";
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sleep(2); // Blocking call in process.
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return 42;
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};
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