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Session Cache Expire
If sesio_cache_expire is not set than in how much time will it expire? a. 1 hour,b. 2 hours,c. 3 hours,d. 4 hours
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feof with fsockopen
While working with file system, can feof be used with a file open by fsockopen?
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ob_start()
What is the use of ob_start() in PHP?