Answer Posted / basha

include_once -it file is not exist it displays warning
message and continue the program

in case of require_once-if the file is not exist it
displays fatal error and terminate the prgram

Why do we use sessions in php?

916

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Which is faster for or foreach php?

895

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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.

1920

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Write down the code for save an uploaded file in php.

922

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How can php and html interact?

994

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Does php need apache?

867

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When are you supposed to use endif to end the conditional statement?

888

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Is false empty php?

941

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What is str_replace()?

960

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What does explode do in php?

963

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What is __ invoke in php?

905

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When you want to show some part of a text displayed on an html page in red font color? What different possibilities are there to do this? What are the advantages/disadvantages of these methods?

849

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How to connect to a url in php?

952

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What is a namespace in php?

901

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How to pass an argument to a function?

1110

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