Answer Posted / jai

As same answer. By setting it on we can access the
environment variables using it's variable name

What is php key?

513

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What is the difference between echo print and print_r in php?

520

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Which function will suitably replace 'x' if the size of a file needs to be checked? $Size=x(filename);

553

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What is print_r?

518

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How to access a specific character in a string using php?

515

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What are the different opening and closing tags available in PHP?

576

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Difference between array_combine and array_merge?

527

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What is uri routing?

523

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What is the difference between $_files['userfile']['name'] and $_files['userfile']['tmp_name']?

534

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Which php framework is best for security?

518

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531

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What is api used for?

489

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What is the difference between print() and echo()?

581

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What is the difference between for and foreach loop in php?

624

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Is null or empty c#?

514

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