ob_implicit_flush

(PHP 4, PHP 5, PHP 7, PHP 8)

ob_implicit_flushTurn implicit flush on/off

Description

ob_implicit_flush(bool$enable = true): void

ob_implicit_flush() will turn implicit flushing on or off. Implicit flushing will result in a flush operation after every block of code resulting in output, so that explicit calls to flush() will no longer be needed.

Note: Printing empty strings or sending headers is not considered output and will not result in a flush operation.

Note: This function does not have any effect on user level output handlers such as those started by ob_start() or output_add_rewrite_var().

Parameters

enable

true to turn implicit flushing on, false otherwise.

Return Values

No value is returned.

Changelog

VersionDescription
8.0.0 The enable expects a bool value now; previously, an int was expected.

See Also

  • flush() - Flush system output buffer
  • ob_start() - Turn on output buffering
  • ob_end_flush() - Flush (send) the return value of the active output handler and turn the active output buffer off
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