ob_get_level
PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
ob_get_level - Return the nesting level of the output buffering mechanism
Manual
ob_get_level(
): int
Returns the nesting level of the output buffering mechanism.
Parameters
This function has no parameters.
Return Values
Returns the level of nested output buffering handlers or zero if output buffering is not active.