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@ 2020-02-12T10:05:47Z

<?php

$report = array (
  '18427e904f7a227e8c3b80dd2858a70e' => 
  array (
    'needle' => 
    array (
      0 => 
      array (
        'starts_at' => 11821,
        'ends_at' => 14377,
        'length' => 2556,
        'original' => 'foo'
      ),
    ),
    'haystack' => 
    array (
      0 => 
      array (
        'starts_at' => 12227,
        'ends_at' => 14783,
        'length' => 2556,
        'original' => 'foo'
      ),
    ),
  ),
  'dd0c26f35ebf55de25eabea3edbfba32' => 
  array (
    'needle' => 
    array (
      0 => 
      array (
        'starts_at' => 17255,
        'ends_at' => 32431,
        'length' => 15176,
        'original' => 'foo'

      ),
    ),
    'haystack' => 
    array (
      0 => 
      array (
        'starts_at' => 17776,
        'ends_at' => 33032,
        'length' => 15256,
        'original' => 'foo'
    ),
  ),
));



var_dump(remapMatches($report, true));


function remapMatches($matches) 
{
    $remapped = [];

    foreach ($matches as $fingerprint => $match) {

        $remapped[$fingerprint] = $match;

        $needle   = $remapped[$fingerprint]['needle'];
        $haystack = $remapped[$fingerprint]['haystack'];
        
        unset($needle);
        unset($haystack);
        
        foreach ($remapped[$fingerprint]['needle'] as &$needle)
            unset($needle['original']);

        foreach ($remapped[$fingerprint]['haystack'] as &$haystack)
            unset($haystack['original']);
            
                
    }

    return $remapped;
}

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: array(2) { ["18427e904f7a227e8c3b80dd2858a70e"]=> array(2) { ["needle"]=> array(1) { [0]=> array(1) { [0]=> array(4) { ["starts_at"]=> int(17255) ["ends_at"]=> int(32431) ["length"]=> int(15176) ["original"]=> string(3) "foo" } } } ["haystack"]=> array(1) { [0]=> array(1) { [0]=> array(4) { ["starts_at"]=> int(17776) ["ends_at"]=> int(33032) ["length"]=> int(15256) ["original"]=> string(3) "foo" } } } } ["dd0c26f35ebf55de25eabea3edbfba32"]=> array(2) { ["needle"]=> array(1) { [0]=> array(3) { ["starts_at"]=> int(17255) ["ends_at"]=> int(32431) ["length"]=> int(15176) } } ["haystack"]=> array(1) { [0]=> array(3) { ["starts_at"]=> int(17776) ["ends_at"]=> int(33032) ["length"]=> int(15256) } } } }

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