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    \$\begingroup\$ while(file_put_contents(1,1)); should be enough. Note that running full scripts from command line as php -r '…' is acceptable as per consensus on meta Running PHP with -r instead of code tags. \$\endgroup\$ Commented Apr 1, 2016 at 13:13
  • \$\begingroup\$ Is this actually writing to disk or just a buffer in memory? \$\endgroup\$ Commented Apr 1, 2016 at 14:33
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    \$\begingroup\$ @manatwork Oh man! I knew there's always room for improvement, but that much... too bad that function hasn't got shorter name. :D I don't know about the buffer.. I wonder if I should update the answer with that shorter solution. \$\endgroup\$ Commented Apr 1, 2016 at 18:47
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    \$\begingroup\$ If it's shorter, please do update your answer, go ahead! :) \$\endgroup\$ Commented Apr 1, 2016 at 21:35
  • \$\begingroup\$ Is it allowed to call exec() from php? I realize it is no more in php's "scope". \$\endgroup\$ Commented Apr 2, 2016 at 5:59