How to declare an array in php?

1174

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What does the unset() function means?

1216

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

1051

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

997

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What is the meaning of a persistent cookie?

1217

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

997

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

1079

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What is the default session time in php?

1081

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Explain difference between urlencode and urldecode?

1190

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

1032

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What is the static variable in function useful for?

1025

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Tell me what is the definition of a session?

1109

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

1043

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What does $_files means?

1133

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What does $_server means?

1079

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