How to check a key exist in an array?
Difference between mysql_connect and mysql_pconnect?
Is it more secure to use cookies to trfer session ids?
CWD is a type of shell variable. State Whether True or False?
What advance thing in php7?
How to define a user function?
What is php in simple words?
what is the current salary package in India for a PHP & MySQL programmer who has 3 years experience
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What is the difference between file_get_contents() and file_put_contents() in php?
Which MySQL function would you use to select a database?
1.Where are the sessions storing ? 2.What are the contents of a session file ? 3.If the server is loaded with too many session files there is a possibility of server crash. How can we solve this issue? 4. How does php server identify that the particular session belongs to particular user ? For ex: If two users A and B logged from different machine, separate session files (say 1 and 2) will be created in the server. But how the php knows that 1 belongs to A and 2 belongs to B ?
What is the use of trim function in php?