PHP Random Sleep Function with Flush
June 9th, 2008Read More php, scraping
Sometimes you want your script to pause for a short period of time before repeating a loop or proceeding to the next step. This may be to reduce server load or even to simulate the natural pauses that a person would make whilst browsing a site. This kind of thing is especially true if you are building a system to scrape content such as product information from a suppliers web site and you do not want to hammer their server to death and get your IP banned.
PHP:
This function will do just that for you. Also it has a built in flush which will help in preventing the script from being regarded as timed out if you are running it from the web browser.
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