What is variable declaration?
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How to return a value back to the function caller?
What is php default argument?
How to download file in php?
Write a function that takes "depth" as argument and return sum of node's data of that depth. For instance, (0) depth 0 / \ (10) (20) depth 1 / \ (40) (50) depth2 If I pass get_sum_by_depth(2) , it would return 90 (i.e. 40 + 50 )
Is echo a function in php?
What is the difference between abstract class and interface in php?
What is the purpose of destructor ?
Is not null in php?
What PHP stands for?
what is the best function that can be used to connect to mysql database and in what cases that we can use below functions ? 1. mysql_connect() 2. mysql_pconnect() please give your answer with all pros and cons
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Does php support multiple inheritances?
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