sql_in() function is used to create a column condition using the
IN SQL keyword.
It employs 5 parameters:
$valis the name of the column,
$valeursis the list of values, in the form of an array or a comma-separated sequence of strings. These values will be automatically filtered using
$notis used to provide negation. By default it is empty
'NOT'to execute a
It can be used as follows: