PHP Callback can be used to register and invoke callback functions. It can register a callback function by associating a string that defines the function name to the name of a global function or a function of a given object.Then PHP Callback can invoke a callback function by specifying its name and an eventual list of parameters passed as an ...

requestUtils acts as acentral place to retrieve user submitted data to a page access via the request, form inputs or cookies.Instead of using the super-global variables $_POST, _$GET, $_REQUEST and $_COOKIE, this class can be used instead so the submitted data can be sanitized to prevent well known security attacks like cross-site scripting and SQL injections.requestUtils may also check whether ...

Input Class implements a way to sanitize the input values passed to a script.It can sanitize values set either as strings or arrays. In the case of array values, these may be processed recursively if they define multi-dimensional data structures.Input Class also provides a unified way to access to different types of input values assigned to the super-global variables POST, ...