What is the use of rand() in php?

1011

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Explain what are the two main string operators?

916

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Tell us what does $_cookie means?

970

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Explain how is it possible to cast types in php?

947

---

How is it possible to parse a configuration file?

924

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Explain me what is x+ mode in fopen() used for?

983

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Tell me what is the use of "ksort" in php?

968

---

Is it possible to destroy a cookie?

952

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

945

---

Tell me is it possible to remove the html tags from data?

874

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Tell me what is the difference between ereg_replace() and eregi_replace()?

1083

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What is the main difference between require() and require_once()?

972

---

Tell me is it possible to protect special characters in a query string?

876

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Tell me how to get the value of current session id?

906

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

964

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