Search results for: "parameter"

What does the syntax "foo()($parameter)" signify in PHP?

The syntax "foo()($parameter)" in PHP signifies that the function foo() is being called and then immediately invoked with the parameter $parameter. Th...

In what scenarios should multiple parameter names be used instead of reusing the same parameter name in a PDO query in PHP?

When using PDO queries in PHP, it is important to use unique parameter names for each placeholder in the query. Reusing the same parameter name can le...

How can the error "Invalid parameter number: parameter was not defined" in a PDOException be resolved in PHP?

The error "Invalid parameter number: parameter was not defined" in a PDOException occurs when the number of parameters in a prepared statement does no...

How can the error "Warning: mysql_num_rows() expects parameter" be resolved in PHP?

The error "Warning: mysql_num_rows() expects parameter" occurs when the mysql_num_rows() function is called without passing the result set parameter....

Where can you obtain the $link parameter needed for mysqli_real_escape_string in PHP?

When using mysqli_real_escape_string in PHP to prevent SQL injection attacks, the $link parameter is required to establish a connection to the MySQL d...