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<?php $text = <<<TEXT rkenbgjengrnekjrgn2ioih34fnorfejk TEXT; $char = array_merge(range("a", "z"), range("A", "Z")); $length = strlen($text); $counter = []; for($i = 0; $i < $length; $i++) { $item = $text[$i]; if (in_array($item, $char)) { $counter[$item] = isset($counter[$item]) ? $counter[$item] + 1 : 0; } } sort($counter); var_dump($counter);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.7
array(11) { [0]=> int(0) [1]=> int(0) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(2) [6]=> int(2) [7]=> int(2) [8]=> int(3) [9]=> int(3) [10]=> int(4) }
preferences:
185.02 ms | 404 KiB | 182 Q