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<?php function prepareArray($str) { $onlyLowerLetters = preg_replace('/[^a-z]/', '', strtolower($str)); $stringArray = str_split(str_replace(' ', '', $onlyLowerLetters)); $uniqueArray = array_unique($stringArray); $countsArray = []; foreach ($uniqueArray as $letter) { $countsArray[$letter] = substr_count($onlyLowerLetters, $letter); } unset($letter); foreach ($countsArray as $k => $v) { if ($v === 1) unset($countsArray[$k]); } arsort($countsArray); // reset($countsArray); return $countsArray; } function getIntersect($a1, $a2) { $ar = array_intersect_assoc($a1, $a2); $intersect = []; foreach ($ar as $k => $v) { $intersect[$k] = $v; } return $intersect; } function compareArrays($a1, $a2) { // var_export($a1); // var_export($a2); $resultArray = []; foreach ($a1 as $k => $v) { $resultArray[$k][0] = $v; if (isset($a2[$k]) && $a1[$k] > $a2[$k]) { $resultArray[$k][0] = $v; } } foreach ($a2 as $k => $v) { $resultArray[$k][1] = $v; if (isset($a1[$k]) && $a1[$k] < $a2[$k]) { $resultArray[$k][1] = $v; } } return $resultArray; } function mix($s1, $s2) { $s1Prepared = prepareArray($s1); $s2Prepared = prepareArray($s2); // var_export($s1Prepared); // echo "\n"; // var_export($s2Prepared); // echo "\n"; $intersectArray = getIntersect($s1Prepared, $s2Prepared); // var_export($intersectArray); // echo "\n"; $diffArray = compareArrays(array_diff_key($s1Prepared, $intersectArray), array_diff_key($s2Prepared, $intersectArray)); // var_export($diffArray); // echo "\n"; foreach ($intersectArray as $letter=>$number) { $resultArray[$letter][2] = $number; } $resultArray = $diffArray + $resultArray; var_export($resultArray); echo "\n"; $str = []; foreach ($resultArray as $letter=>$allNumbers) { if ( (isset($allNumbers[0], $allNumbers[1]) && ($allNumbers[0] > $allNumbers[1]) ) || ( isset($allNumbers[0]) && !isset($allNumbers[1]) ) ) { $str[$allNumbers[0]]['letter'] = $letter; $str[$allNumbers[0]]['string'] = '1'; //$str[] = '1:' . str_repeat($letter, $allNumbers[0]); } if ( (isset($allNumbers[0], $allNumbers[1]) && ($allNumbers[0] < $allNumbers[1]) ) || ( isset($allNumbers[1]) && !isset($allNumbers[0]) ) ) { $str[$allNumbers[1]]['letter'] = $letter; $str[$allNumbers[1]]['string'] = '2'; // $str[] = '2:' . str_repeat($letter, $allNumbers[1]); } if (isset($allNumbers[2])) { $str[$allNumbers[2]]['letter'] = $letter; $str[$allNumbers[2]]['string'] = '='; // $str[] = '=:' . str_repeat($letter, $allNumbers[2]); } } var_export($str); $res = ''; foreach ($str as $num => $data) { $res .= '/' . $data['string'] . ':' . str_repeat($data['letter'], $num); } return $res; } echo mix("looping is fun but dangerous", "less dangerous than coding");
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 'o' => array ( 0 => 3, 1 => 2, ), 'u' => array ( 0 => 3, ), 'i' => array ( 0 => 2, ), 's' => array ( 0 => 2, 1 => 3, ), 'e' => array ( 1 => 2, ), 'd' => array ( 1 => 2, ), 'a' => array ( 1 => 2, ), 'n' => array ( 2 => 3, ), 'g' => array ( 2 => 2, ), ) array ( 3 => array ( 'letter' => 'n', 'string' => '=', ), 2 => array ( 'letter' => 'g', 'string' => '=', ), )/=:nnn/=:gg
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 ( 'o' => array ( 0 => 3, 1 => 2, ), 'u' => array ( 0 => 3, ), 'i' => array ( 0 => 2, ), 's' => array ( 0 => 2, 1 => 3, ), 'e' => array ( 1 => 2, ), 'd' => array ( 1 => 2, ), 'a' => array ( 1 => 2, ), 'n' => array ( 2 => 3, ), 'g' => array ( 2 => 2, ), ) array ( 3 => array ( 'letter' => 'n', 'string' => '=', ), 2 => array ( 'letter' => 'g', 'string' => '=', ), )/=:nnn/=:gg
Output for 5.6.0 - 5.6.27
array ( 'u' => array ( 0 => 3, ), 'o' => array ( 0 => 3, 1 => 2, ), 'i' => array ( 0 => 2, ), 's' => array ( 0 => 2, 1 => 3, ), 'a' => array ( 1 => 2, ), 'd' => array ( 1 => 2, ), 'e' => array ( 1 => 2, ), 'n' => array ( 2 => 3, ), 'g' => array ( 2 => 2, ), ) array ( 3 => array ( 'letter' => 'n', 'string' => '=', ), 2 => array ( 'letter' => 'g', 'string' => '=', ), )/=:nnn/=:gg
preferences:
179.19 ms | 402 KiB | 190 Q