Data Filtering

• Introduction
• Installing/Configuring
  • Installation
  • Runtime Configuration
  • Resource Types
• Predefined Constants
• Filter Functions
  • filter_has_var — Checks if variable of specified type exists
  • filter_id — Returns the filter ID belonging to a named filter
  • filter_input_array — Gets multiple variables from outside PHP and optionally filters them
  • filter_input — Gets variable from outside PHP and optionally filters it
  • filter_list — Returns a list of all supported filters
  • filter_var_array — Gets multiple variables and optionally filters them
  • filter_var — Filters a variable with a specified filter