How can you pass a variable by reference?

986

---

How can we display the output directly to the browser?

982

---

Tell me how a constant is defined in a php script?

927

---

How can we define a variable accessible in functions of a php script?

990

---

What is the use of "ksort" in php?

939

---

Do you know when sessions ends?

1019

---

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

1018

---

Tell me how is it possible to propagate a session id?

1028

---

Explain me what is the use of 'print' in php?

928

---

Tell me what is the difference between the functions strstr() and stristr()?

1041

---

Explain what is the use of "echo" in php?

1015

---

How failures in execution are handled with include() and require() functions?

1023

---

Do you know how to delete a file from the system?

1015

---

Do you know how can php and html interact?

998

---

Explain me the difference between include and require?

922

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