Disabled functions in PHP

To protect your security and that of others some PHP functions considered unsafe have been disabled.
  • show_source
  • system
  • shell_exec
  • passthru
  • exec
  • popen
  • proc_open
  • allow_url_fopen

These functions are not a requirement for proper functioning of popular Content Management Systems (CMS) such as WordPress or Joomla.
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