3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mutex = new SyncMutex("UniqueName"); if (!$mutex->lock(3000)) { echo "Unable to lock mutex."; exit(); } /* ... */ $mutex->unlock();
based on ERMSR
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Class 'SyncMutex' not found in /in/d8nom:2 Stack trace: #0 {main} thrown in /in/d8nom on line 2
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Class undefined: SyncMutex in /in/d8nom on line 2
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Class 'SyncMutex' not found in /in/d8nom on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: syncmutex in /in/d8nom on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: syncmutex in /in/d8nom on line 2