What are the main error types in php and how do they differ?
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How you can update memcached when you make changes to php?
Tell me what is the difference between exception::getmessage and exception::getline?
When viewing an html page in a browser, the browser often keeps this page in its cache. What can be possible advantages/disadvantages of page caching? How can you prevent caching of a certain page (please give several alternate solutions)?
How does php sessions work?
Explain about a search-friendly site looks like?
How does php work?
What is a php trait?
What is the difference between unlink and unset ?
Explain what is the main difference between require() and require_once()?
What is the best way to test the strpos() return value in php?
What are the advantages of indexes in php?
What is the use of limit in mysql?