ob_implicit_flush

Function • Params and return types changed in PHP 8.0

Turn implicit flush on/off.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

ob_implicit_flush Function synopsis

ob_implicit_flush(bool $enable = true): void

Parameters

$enable

OptionalTypeboolDefault valuetrue

true to turn implicit flushing on, false otherwise.

Return value

The ob_implicit_flush function is a void function; it does not return any values.

Changes to the ob_implicit_flush Function

PHP 8.0

  • Return type added: void
  • Parameter name of parameter #1 changed: $flag to $enable
  • Parameter type added for parameter #1 ($enable): bool
  • Parameter default value added for position #1 ($enable): true
- ob_implicit_flush($flag)
+ ob_implicit_flush(bool $enable = true): void

ob_implicit_flush Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes