What are the types of variables in php?


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More PHP Interview Questions

Can we use onclick in submit button?

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Do you know how to get the ip address of the client?

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What is the best way to avoid email sent through php getting into the spam folder?

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How send email using php?

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What is difference between isset and empty in php?

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How to remove values saved in the current session?

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how to select single row from table and insert into same table as a new record by using a single sql query.

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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 )

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Explain PHP looping?

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How we can get the number of elements in an array?

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Explain mixed and callback functions?

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What does php mean?

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