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run code in 300+ PHP versions simultaneously
<?php $pivot = []; $n = 0; for ($i = 1; $i <= 100; $i++) { $pivot[$i] = []; } for($i = 1; $i <= 100; $n++) { $user = &$pivot[rand($i, 100)]; $rand = rand(0, 100); $random = $rand != $user ? $rand : $rand + 1; while(array_key_exists($random, $user)) { $random++; } $user[] = $random; if($n == 100) { $i++; $n = 0; } } foreach($pivot as $piv => $key) { //echo "INSERT INTO `following_pivot` (`uid`, `fid`) VALUES ("; foreach($piv as $pi) { echo $key, ", ", $pi, PHP_EOL; } } //print_r($pivot);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.24, 7.3.0 - 7.3.12
Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30 Warning: Invalid argument supplied for foreach() in /in/76bCS on line 30
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28

Process exited with code 137.
preferences:
149.57 ms | 402 KiB | 138 Q