file locking in php

by

You should put a lock on the file:

$fp = fopen($updateFile, 'w+');
if (flock($fp, LOCK_EX)) {
    fwrite($fp, 'a');
    flock($fp, LOCK_UN);
} else {
    echo 'can\'t lock';
}

fclose($fp);

More Related Contents:

  1. PHP & Sessions: Is there any way to disable PHP session locking?
  2. should LOCK_EX on both read & write be atomic?
  3. Read and write to a file while keeping lock
  4. recurring system my sql query [closed]
  5. PHP/SQL Query Not Showing Results
  6. Gather column name of a table from database [closed]
  7. Wysiwyg for dynamic blocks of content? [closed]
  8. How do I add PHP code/file to HTML(.html) files?
  9. PHP DOMDocument loadHTML not encoding UTF-8 correctly
  10. How to make a PHP SOAP call using the SoapClient class
  11. How to use XMLReader in PHP?
  12. How to get video duration, dimension and size in PHP?
  13. PHP, MySQL error: Column count doesn’t match value count at row 1
  14. Composer error: “PHP extension fileinfo is missing from your system”
  15. Strip all HTML tags, except allowed
  16. Uploading in Codeigniter – The filetype you are attempting to upload is not allowed
  17. Can you put PHP inside PHP with echo? [closed]
  18. SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax — PHP — PDO [duplicate]
  19. A conditional element inside an array(…) construct
  20. What does yield mean in PHP?
  21. PHP foreach loop through multidimensional array [duplicate]
  22. How to prepare statement for update query? [duplicate]
  23. Use of PDO in classes [duplicate]
  24. Getting complete PATH of uploaded file – PHP
  25. Which line break in php mail header, \r\n or \n?
  26. How can I pass variables from JavaScript to PHP?
  27. How do I enable PUT requests in Azure?
  28. Push item to associative array in PHP
  29. Is Multiple Inheritance allowed at class level in PHP?
  30. Unable to make php curl request with port number

Leave a Comment