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  1. <?php
  2.  
  3. $haystack = array(
  4.     0 => array("v1" => "aa",   "v2" => ""), 
  5.     1 => array("v1" => "bb",   "v2" => ""),
  6.     2 => array("v1" => "cccc", "v2" => ""),
  7.     3 => array("v1" => "bb",   "v2" => ""), 
  8.     4 => array("v1" => "aa",   "v2" => ""),
  9.     5 => array("v1" => "bb",   "v2" => ""), 
  10.     6 => array("v1" => "cccc", "v2" => ""),
  11.     7 => array("v1" => "bb",   "v2" => ""), 
  12. );
  13.  
  14. $needles = array( 
  15.     0 => array("aa" => "nnnn", "bb" => "nnn", "cccc" => "n"),
  16.     1 => array("aa" => "ddd",  "bb" => "dd"),
  17. );
  18.  
  19. function processNeedle(&$haystack, $needle) {
  20.     $needleKeys = array_keys($needle);
  21.     $needleValues = array_values($needle);
  22.     $needleLen = count($needle);
  23.     $haystackLen = count($haystack);
  24.  
  25.     $matches = array();
  26.     for ($i = 0; $i < ($haystackLen - $needleLen + 1); $i++) {
  27.         $match = true;
  28.         for ($j = 0; $j < $needleLen; $j++) {
  29.             if ($haystack[$i + $j]["v1"] != $needleKeys[$j]) {
  30.                 $match = false;
  31.                 break;
  32.             }
  33.         }
  34.         if ($match) {
  35.             $matches[] = $i;
  36.             $i += $needleLen - 1;
  37.         }
  38.     }
  39.  
  40.     forEach ($matches as $startIdx) {
  41.         for ($j = 0; $j < $needleLen; $j++) {
  42.             $haystack[$startIdx + $j]["v2"] = $needleValues[$j];
  43.         }
  44.     }
  45. }
  46.  
  47. forEach ($needles as $needle) {
  48.     processNeedle($haystack, $needle);
  49. }
  50. print_r($haystack);
Success #stdin #stdout 0.01s 20520KB
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Standard input is empty
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Array
(
    [0] => Array
        (
            [v1] => aa
            [v2] => ddd
        )

    [1] => Array
        (
            [v1] => bb
            [v2] => dd
        )

    [2] => Array
        (
            [v1] => cccc
            [v2] => n
        )

    [3] => Array
        (
            [v1] => bb
            [v2] => 
        )

    [4] => Array
        (
            [v1] => aa
            [v2] => ddd
        )

    [5] => Array
        (
            [v1] => bb
            [v2] => dd
        )

    [6] => Array
        (
            [v1] => cccc
            [v2] => n
        )

    [7] => Array
        (
            [v1] => bb
            [v2] => 
        )

)
https://ideone.com/ezHlEK
Illustration of answer to http://stackoverflow.com/questions/17221589/php-find-nested-array1-in-nested-array2.
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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