What is the use of explode() function?

1026

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What is the difference between the functions strstr() and stristr()?

965

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Is it possible to remove the html tags from data?

881

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Tell me how can you pass a variable by reference?

912

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Tell me will a comparison of an integer 12 and a string "13" work in php?

1040

---

What is the use of the function 'imagetypes()'?

965

---

Tell me what is the main difference between require() and require_once()?

947

---

How do I check if a given variable is empty?

897

---

Tell me what is the main difference between php 4 and php 5?

953

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What should we do to be able to export data into an excel file?

985

---

Explain what is the static variable in function useful for?

903

---

Tell me what is the use of the function htmlentities?

915

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Suppose the variable $var1 is set to 10 and the $var2 is set to the character var1, what's the value of $$var2?

922

---

Explain me what is the importance of "method" attribute in a html form?

899

---

Tell me how do I check if a given variable is empty?

911

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