View: Preventing Cron Job Collision

1. Preventing Cron Job Collision
   7 months ago by spirit
   1. $fp = fopen('/tmp/lock.txt', 'r+'); 
   2.  
   3. if(!flock($fp, LOCK_EX | LOCK_NB)) { 
   4.    echo 'Unable to obtain lock'; 
   5.    exit(-1); 
   6. } 
   7.    
   8. /* ... */ 
   9.  
   10. fclose($fp);
   collisioncronphp
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