How to declare an array in php?

1099

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What does the unset() function means?

1143

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How can we get the error when there is a problem to upload a file?

989

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Tell me what should we do to be able to export data into an excel file?

955

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What is the meaning of a persistent cookie?

1130

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Is it possible to submit a form with a dedicated button?

923

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Tell us how can we display the output directly to the browser?

1039

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What is the default session time in php?

1025

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Explain difference between urlencode and urldecode?

1128

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Explain how we can retrieve the data in the result set of mysql using php?

982

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What is the static variable in function useful for?

965

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Tell me what is the definition of a session?

1048

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Tell me how can we pass the variable through the navigation between the pages?

996

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What does $_files means?

1053

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What does $_server means?

1013

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