1 bootstrap.inc backdrop_clear_opcode_cache($filepath)

Invalidates a PHP file from any active opcode caches.

If the opcode cache does not support the invalidation of individual files, the entire cache will be flushed.


string $filepath: The absolute path of the PHP file to invalidate.


core/includes/bootstrap.inc, line 4413
Functions that need to be loaded on every Backdrop request.


function backdrop_clear_opcode_cache($filepath) {
  clearstatcache(TRUE, $filepath);

  // Zend OPcache.
  if (function_exists('opcache_invalidate')) {
    // Suppress any warnings in PHP 7.2+ caused by "Zend OPcache API is
    // restricted by "restrict_api" configuration directive".
    @opcache_invalidate($filepath, TRUE);
  // APC.
  if (function_exists('apc_delete_file')) {
    // apc_delete_file() throws a PHP warning in case the specified file was
    // not compiled yet.
    // @see http://php.net/apc-delete-file