Explain me what are the differences between mysql_fetch_array(), mysql_fetch_object(), mysql_fetch_row()?

1126

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Explain what does the unlink() function means?

1118

---

What is the difference between $var and $$var?

1063

---

Explain me what is the meaning of a persistent cookie?

1039

---

Tell me what is the importance of "action" attribute in a html form?

1111

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What is use of in_array() function in php?

1100

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How to strip whitespace (or other characters) from the beginning and end of a string?

886

---

Tell me how do you execute a php script from the command line?

995

---

Tell me what are the encryption techniques in php?

943

---

Tell me what does the initials of php stand for?

966

---

Tell me what are the correct and the most two common way to start and finish a php block of code?

972

---

What is the use of "echo" in php?

967

---

What is the use of 'print' in php?

1020

---

Do you know what is the use of the function 'imagetypes()'?

994

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Tell me what the difference between the 'bitwise and' operator and the 'logical and' operator?

962

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