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<?php $radius = 3; $blank = ' '; $linebreak = PHP_EOL; for ($i = 1, $diameter = $radius * 2 - 1; $i <= $diameter; $i++) { $nums = range(1, $i); $nums = array_merge($nums, array_reverse(array_slice($nums, 0, -1))); $blanks = array_fill(0, $diameter - $i, $blank); $row = array_merge($blanks, $nums, $blanks); echo join($row), $linebreak; }
Output for 5.6.0 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 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
1 121 12321 1234321 123454321
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35
1 121 12321 1234321 Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 Warning: array_merge(): Argument #1 is not an array in /in/iDJcI on line 11 Warning: join(): Argument must be an array in /in/iDJcI on line 13
Output for 5.2.5 - 5.2.17
1 121 12321 1234321 Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 Warning: array_merge(): Argument #1 is not an array in /in/iDJcI on line 11 Warning: array_merge(): Argument #3 is not an array in /in/iDJcI on line 11 Warning: join(): Argument must be an array in /in/iDJcI on line 13
Output for 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
1 121 12321 1234321 Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 Warning: array_merge(): Argument #1 is not an array in /in/iDJcI on line 11 Warning: array_merge(): Argument #3 is not an array in /in/iDJcI on line 11 Warning: join(): Argument to implode must be an array. in /in/iDJcI on line 13
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/iDJcI on line 5 1 PHP_EOL 121 PHP_EOL 12321 PHP_EOL 1234321 PHP_EOL Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 Warning: array_merge(): Argument #1 is not an array in /in/iDJcI on line 11 Warning: array_merge(): Argument #3 is not an array in /in/iDJcI on line 11 Warning: join(): Argument to implode must be an array. in /in/iDJcI on line 13 PHP_EOL
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9
1 121 12321 1234321 Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 123454321
Output for 4.3.2 - 4.3.9
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/iDJcI on line 5 1 PHP_EOL 121 PHP_EOL 12321 PHP_EOL 1234321 PHP_EOL Warning: array_fill(): Number of elements must be positive in /in/iDJcI on line 10 123454321PHP_EOL
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/iDJcI on line 5 1 PHP_EOL 121 PHP_EOL 12321 PHP_EOL 1234321 PHP_EOL Warning: array_fill() [http://www.php.net/function.array-fill]: Number of elements must be positive in /in/iDJcI on line 10 123454321PHP_EOL
preferences:
276.65 ms | 402 KiB | 368 Q