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  1. <?php
  2.  
  3. $arrs = array(
  4.     'arr1' => array(1, 2, 3, 4, 5),  
  5.     'arr2' => array(101, 102, 103, 104, 105),  
  6.     'arr3' => array(3, 4, 2, 5, 1),
  7.     'arr4' => array(5, 3, 4, 2, 1),
  8. );
  9.  
  10.  
  11. foreach ($arrs as $base_name => $base_arr) {
  12.     $copies = $arrs;
  13.     unset($copies[$base_name]);
  14.     echo "【{$base_name}の他に対する類似度】\n";
  15.     $base_str = implode("\0", $base_arr);
  16.     $results = array();
  17.     foreach ($copies as $target_name => $target_arr) {
  18.         $target_str = implode("\0", $target_arr);
  19.         similar_text($base_str, $target_str, $percent);
  20.         $results[$target_name] = $percent;
  21.     }
  22.     arsort($results);
  23.     foreach ($results as $target_name => $percent) {
  24.         printf("%s -> %01.2f%%\n", $target_name, $percent);
  25.     }
  26.     echo "\n";
  27. }
  28.  
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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【arr1の他に対する類似度】
arr2 -> 64.29%
arr4 -> 55.56%
arr3 -> 55.56%

【arr2の他に対する類似度】
arr1 -> 64.29%
arr4 -> 28.57%
arr3 -> 14.29%

【arr3の他に対する類似度】
arr4 -> 77.78%
arr1 -> 55.56%
arr2 -> 35.71%

【arr4の他に対する類似度】
arr3 -> 77.78%
arr1 -> 55.56%
arr2 -> 28.57%
https://ideone.com/b1T4dS
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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