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Task callback accurate to seconds in LAMP environment

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Release： 2016-08-04 09:20:28
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How does a PHP program set a task callback accurate to seconds? It seems that crontab is only accurate to the minute. Is there any way to do this?

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How does a PHP program set a task callback accurate to seconds? It seems that crontab is only accurate to the minute. Is there any way to do this?

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