## Example

`

     bool memcache_debug ( bool $on_off )

`

## Description

memcache_debug() turns on debug output if parameter on_off is equal to TRUE and turns off if it's FALSE. Note: memcache_debug() is accessible only if PHP was built with --enable-debug option and always returns TRUE in this case. Otherwise, this function has no effect and always returns FALSE.

## Return Values

Returns TRUE if PHP was built with --enable-debug option, otherwise returns FALSE.