How can we change the value of a constant?
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What are the rules to determine the “truth” of any value which is not already of the boolean type?
Is php class name case sensitive?
What are the security measures we have to take for our site not to hack by others.
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This question is regarding version control. If two developers are committing the same php file at same time what will happen ? What error it will show (if any) ?
How we can retrieve the data in the result set of mysql using php?
Differentiate echo vs. Print statement.
What is the default session time in php?
What enctype is required for file uploads to work?
What are sql injections, how do you prevent them and what are the best practices?
Binary tree question - Node has numeric data (int) The function takes depth as argument and sum all the value of the node of the depth. For instance, (0) depth 0 / \ 10 20 depth 1 / \ / \ 40 50 60 70 depth 2 so if you pass get_sum(2), you would return 220 which is 40+50+60+70 (sum of depth2) write the function.
What is the diffrence between GET,POST and REQUEST Method.
How can we check the value of a given variable is a number?