Answer Posted / umesh kumar sharma

Indexing is use to improve the performance of database. it
has 32 types of indexing in each table

Write a program to swap two numbers using php.

995

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What difference between require() and require_once()?

1024

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What would occur if a fatal error was thrown in your php program?

975

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What is csrf token in php?

1027

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what is mean by portal

1948

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What should we do to be able to export data into an excel file?

961

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armstrong number by using php while number is given by the keyboard.?

2125

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What are the differences between echo and print?

940

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What are the new features in php 7?

927

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What is null value in php?

970

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What is use of preg_replace in php?

1003

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Tell me how can we determine whether a variable is set?

870

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How should a model be structured in mvc?

866

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What are html entities?

875

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How values in arrays are indexed?

1002

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