What is member function?

558

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What are the difference between overloading and overriding in oops?

537

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What is a substring in php?

572

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

537

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Explain different sorting function in php?

606

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What is trim function in php?

612

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Explain some most commonly use string functions in php?

503

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What is traits? How it is used in php?

544

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How to convert a string to uppercase in php?

543

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What is constructor and destructor?

524

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How to check a variable is array or not in php?

557

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What is the difference between associative array and indexed array?

506

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What are the difference between abstract class and interface in oops?

504

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What is the use of is_array() and in_array()?

539

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How to insert a line break in php string?

544

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