Become Zend Certified

Prepare for the ZCE exam using our quizzes (web or iPad/iPhone). More info...

When you're ready get 7.5% off your exam voucher using voucher CJQNOV23 at the Zend Store


(PECL memcache >= 0.2.0)

memcache_debugTurn debug output on/off


bool memcache_debug ( bool $on_off )

memcache_debug() turns on debug output if parameter on_off is equal to TRUE and turns off if it's FALSE.


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.



Turns debug output on if equals to TRUE. Turns debug output off if equals to FALSE.

Return Values

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

PHP Manual