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

1020

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What is the actually used php version?

1105

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

990

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What are the two main string operators?

1052

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

1138

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What does $_env means?

936

---

Which cryptographic extension provide generation and verification of digital signatures?

943

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Tell us how to redirect a page in php?

988

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How can I display text with a php script?

1053

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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?

1007

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How to delete a file from the system?

1075

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

908

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

1031

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

985

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