What is substr() in php? And how it is used?

1123

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How to write a program to make chess?

1097

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Write a program to display table of a number using php?

997

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Who developed php?

1048

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How can we upload a file in php?

1079

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What is the difference between file_get_contents() and file_put_contents() in php?

1247

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How to include a file code in different files in php?

1188

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How many types of errors in php?

1120

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What is the use of curl()?

1125

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List some array functions in php?

987

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How to make database connection in php?

1098

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What is the difference between abstract class and interface in php?

1236

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Explain the difference between isset() and empty()?

1008

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How to remove blank spaces from the string?

1064

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Why php is used?

1170

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