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    Php/docs/book.filter

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    • Introduction »


    • PHP Manual
    • Variable and Type Related Extensions
    • Data Filtering


    • Introduction
    • Installing/Configuring
      • Requirements
      • Installation
      • Runtime Configuration
      • Resource Types
    • Types of filters
      • Validate filters
      • Sanitize filters
      • Other filters
      • Filter flags
    • Predefined Constants
    • Examples
      • Validation
      • Sanitization
    • 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 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


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