Function and Method Cross Reference

is_dir()

This function is provided by PHP directly.
You can lookup the documentation for it here:
  [php.net] [us2.php.net] [uk.php.net] [au.php.net] [de.php.net]

• /system/libraries/Ftp.php -> line 505
• /system/helpers/directory_helper.php -> line 58
• /system/libraries/Upload.php -> line 673
• /system/codeigniter/Common.php -> line 52
• /system/helpers/path_helper.php -> line 60
• /system/helpers/file_helper.php -> line 133
• /system/helpers/file_helper.php -> line 187
• /system/helpers/file_helper.php -> line 240
• /system/libraries/Output.php -> line 373
• /system/libraries/Output.php -> line 420
• /system/plugins/captcha_pi.php -> line 178
• /system/libraries/Zip.php -> line 242
• /system/libraries/Router.php -> line 207
• /system/database/DB_cache.php -> line 69
• /system/database/DB_cache.php -> line 134
• /system/libraries/Log.php -> line 46
• /index.php -> line 93