⟩ Explain what the difference between the ‘BITWISE AND’ operator and the ‘LOGICAL AND’ operator?
$a and $b: TRUE if both $a and $b are TRUE.
$a & $b: Bits that are set in both $a and $b are set.
$a and $b: TRUE if both $a and $b are TRUE.
$a & $b: Bits that are set in both $a and $b are set.
Tell me how the result set of Mysql be handled in PHP?
Explain what is the static variable in function useful for?
What is faster in PHP?
Tell us what is the difference between session_unregister() and session_unset()?
Explain how is it possible to cast types in PHP?
Tell me how do I escape data before storing it into the database?
Tell me how can I display text with a PHP script?
Tell me how do you execute a PHP script from the command line?
Explain me difference between mysql_connect and mysql_pconnect?
Write down the code for save an uploaded file using php?