Tell me how can we determine whether a php variable is an instantiated object of a certain class?

1008

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What is the actually used php version?

1095

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What are the functions to be used to get the image's properties (size, width and height)?

981

---

What are the two main string operators?

1041

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

1131

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What does $_env means?

929

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Which cryptographic extension provide generation and verification of digital signatures?

938

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Tell us how to redirect a page in php?

979

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How can I display text with a php script?

1038

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Tell me how the result set of mysql be handled in php?

985

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Whether it is possible to share a single instance of a memcache between multiple php projects?

998

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How to delete a file from the system?

1059

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Explain what is the difference between mysql_fetch_array() and mysql_fetch_assoc()?

902

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Explain me what is the use of header() function in php?

1024

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Tell me what is the use of explode() function?

973

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