Output Buffering Control

• Installing/Configuring
  • Runtime Configuration
• Predefined Constants
• Output Buffering
• Flushing System Buffers
• User-Level Output Buffers
  • What Output Is Buffered?
  • Nesting Output Buffers
  • Buffer Size
  • Operations Allowed On Buffers
  • Output Handlers
  • Working With Output Handlers
  • Flags Passed To Output Handlers
  • Output Handler Return Values
• Examples
  • Basic usage
  • Output rewrite usage
• Output Control Functions
  • flush — Flush system output buffer
  • ob_clean — Clean (erase) the contents of the active output buffer
  • ob_end_clean — Clean (erase) the contents of the active output buffer and turn it off
  • ob_end_flush — Flush (send) the return value of the active output handler and turn the active output buffer off
  • ob_flush — Flush (send) the return value of the active output handler
  • ob_get_clean — Get the contents of the active output buffer and turn it off
  • ob_get_contents — Return the contents of the output buffer
  • ob_get_flush — Flush (send) the return value of the active output handler, return the contents of the active output buffer and turn it off
  • ob_get_length — Return the length of the output buffer
  • ob_get_level — Return the nesting level of the output buffering mechanism
  • ob_get_status — Get status of output buffers
  • ob_implicit_flush — Turn implicit flush on/off
  • ob_list_handlers — List all output handlers in use
  • ob_start — Turn on output buffering
  • output_add_rewrite_var — Add URL rewriter values
  • output_reset_rewrite_vars — Reset URL rewriter values