⟩ What is the use of isset() in php?
This function is used to determine if a variable is set and is not NULL
This function is used to determine if a variable is set and is not NULL
What is the value of "$day" in the below code?
Are objects in PHP 5 passed by value or reference?
What is the difference between $var and $$var?
How will you retrieve code of exception using Exception class in PHP when error occured?
What is the purpose of $_COOKIE variable in PHP?
How will you retrieve source line using Exception class in PHP when error occured?
How will you find the length of a string in PHP?
What does "&" mean in '&$var'?
How eregi() function works?
Explain how a PHP session works?