ob_get_flush

Function • Return type changed in PHP 8.0

Flush (send) the return value of the active output handler, return the contents of the active output buffer and turn it off.

PHP 5

PHP 7

Improved

PHP 8.1-8.2

PHP 8.3

PHP 8.4

PHP 8.5

ob_get_flush(): string|false

ob_get_flush does not take any parameters.

Typestring|false

Returns the contents of the active output buffer on success or false on failure.

Changes to the `ob_get_flush` Function

- ob_get_flush()
+ ob_get_flush(): string|false