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<?php $text = <<<TEXT rkenbgjengrnekjrgn2ioih34fnorfejk TEXT; $char = array_merge(range("a", "z"), range("A", "Z")); $length = strlen($text); $counter = array(); for($i = 0; $i < $length; $i++) { $item = $text[$i]; if (in_array($item, $char)) { $counter[$item] = isset($counter[$item]) ? $counter[$item] + 1 : 0; } } asort($counter); var_dump($counter);
Output for 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(11) { ["b"]=> int(0) ["h"]=> int(0) ["i"]=> int(1) ["o"]=> int(1) ["f"]=> int(1) ["k"]=> int(2) ["g"]=> int(2) ["j"]=> int(2) ["r"]=> int(3) ["e"]=> int(3) ["n"]=> int(4) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(11) { ["b"]=> int(0) ["h"]=> int(0) ["i"]=> int(1) ["o"]=> int(1) ["f"]=> int(1) ["k"]=> int(2) ["g"]=> int(2) ["j"]=> int(2) ["r"]=> int(3) ["e"]=> int(3) ["n"]=> int(4) }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
array(11) { ["b"]=> int(0) ["h"]=> int(0) ["i"]=> int(1) ["f"]=> int(1) ["o"]=> int(1) ["j"]=> int(2) ["g"]=> int(2) ["k"]=> int(2) ["e"]=> int(3) ["r"]=> int(3) ["n"]=> int(4) }

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