Data Filtering

• 简介
• 安装／配置
  • 需求
  • 安装
  • 运行时配置
  • 资源类型
• Types of filters
  • Validate filters
  • Sanitize filters
  • Other filters
  • Filter flags
• 预定义常量
• 范例
  • Validation
  • Sanitization
• Filter 函数
  • 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 external variables and optionally filters them
  • filter_input — Gets a specific external variable by name 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