How to find the length of a string?


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More PHP Interview Questions

Explain some of the php array functions?

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What is mysqli_fetch_array?

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How to include variables in double-quoted strings?

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What is mysqli php?

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What is framework in php?

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What is the best way to change the key without changing the value of a php array element?

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Which cryptographic functions in php returns the longest hash value?

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What is the purpose of the '.myi' file extension? What do thes file contain?

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What are the difference between array_keys() and array_key_exists() in php?

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Which software is used to run php programs?

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Tell me how can we define a variable accessible in functions of a php script?

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Explain what are the three classes of errors that can occur in php?

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