php could not load the mcrypt.dll solution

Find extension= php_mcrypt.dll in php.ini, remove the semicolon ";" , restart apache. Invalid (note: php in AppServ.ini in dinwos directory)

2. Copy libmcrypt.dll in php to windows/system32, restart IIS, invalid

3. Self-summary method: try 1 time, copy libmcrypt.dll to bin directory of apache, effective